mirror of
https://github.com/c64scene-ar/llvm-6502.git
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7159a307b9
The shift amount may be larger than the type leading to undefined behavior. Limit the transform to constant shift amounts. While there update the bits to clear in the result which may enable additional optimizations. PR15959. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181604 91177308-0d34-0410-b5e6-96231b3b80d8
929 lines
24 KiB
LLVM
929 lines
24 KiB
LLVM
; Tests to make sure elimination of casts is working correctly
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; RUN: opt < %s -instcombine -S | FileCheck %s
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target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128-n8:16:32:64"
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@inbuf = external global [32832 x i8] ; <[32832 x i8]*> [#uses=1]
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define i32 @test1(i32 %A) {
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%c1 = bitcast i32 %A to i32 ; <i32> [#uses=1]
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%c2 = bitcast i32 %c1 to i32 ; <i32> [#uses=1]
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ret i32 %c2
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; CHECK: ret i32 %A
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}
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define i64 @test2(i8 %A) {
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%c1 = zext i8 %A to i16 ; <i16> [#uses=1]
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%c2 = zext i16 %c1 to i32 ; <i32> [#uses=1]
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%Ret = zext i32 %c2 to i64 ; <i64> [#uses=1]
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ret i64 %Ret
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; CHECK: %Ret = zext i8 %A to i64
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; CHECK: ret i64 %Ret
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}
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; This function should just use bitwise AND
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define i64 @test3(i64 %A) {
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%c1 = trunc i64 %A to i8 ; <i8> [#uses=1]
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%c2 = zext i8 %c1 to i64 ; <i64> [#uses=1]
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ret i64 %c2
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; CHECK: %c2 = and i64 %A, 255
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; CHECK: ret i64 %c2
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}
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define i32 @test4(i32 %A, i32 %B) {
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%COND = icmp slt i32 %A, %B ; <i1> [#uses=1]
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; Booleans are unsigned integrals
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%c = zext i1 %COND to i8 ; <i8> [#uses=1]
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; for the cast elim purpose
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%result = zext i8 %c to i32 ; <i32> [#uses=1]
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ret i32 %result
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; CHECK: %COND = icmp slt i32 %A, %B
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; CHECK: %result = zext i1 %COND to i32
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; CHECK: ret i32 %result
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}
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define i32 @test5(i1 %B) {
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; This cast should get folded into
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%c = zext i1 %B to i8 ; <i8> [#uses=1]
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; this cast
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%result = zext i8 %c to i32 ; <i32> [#uses=1]
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ret i32 %result
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; CHECK: %result = zext i1 %B to i32
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; CHECK: ret i32 %result
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}
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define i32 @test6(i64 %A) {
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%c1 = trunc i64 %A to i32 ; <i32> [#uses=1]
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%res = bitcast i32 %c1 to i32 ; <i32> [#uses=1]
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ret i32 %res
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; CHECK: trunc i64 %A to i32
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; CHECK-NEXT: ret i32
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}
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define i64 @test7(i1 %A) {
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%c1 = zext i1 %A to i32 ; <i32> [#uses=1]
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%res = sext i32 %c1 to i64 ; <i64> [#uses=1]
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ret i64 %res
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; CHECK: %res = zext i1 %A to i64
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; CHECK: ret i64 %res
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}
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define i64 @test8(i8 %A) {
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%c1 = sext i8 %A to i64 ; <i64> [#uses=1]
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%res = bitcast i64 %c1 to i64 ; <i64> [#uses=1]
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ret i64 %res
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; CHECK: = sext i8 %A to i64
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; CHECK-NEXT: ret i64
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}
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define i16 @test9(i16 %A) {
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%c1 = sext i16 %A to i32 ; <i32> [#uses=1]
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%c2 = trunc i32 %c1 to i16 ; <i16> [#uses=1]
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ret i16 %c2
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; CHECK: ret i16 %A
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}
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define i16 @test10(i16 %A) {
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%c1 = sext i16 %A to i32 ; <i32> [#uses=1]
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%c2 = trunc i32 %c1 to i16 ; <i16> [#uses=1]
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ret i16 %c2
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; CHECK: ret i16 %A
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}
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declare void @varargs(i32, ...)
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define void @test11(i32* %P) {
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%c = bitcast i32* %P to i16* ; <i16*> [#uses=1]
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call void (i32, ...)* @varargs( i32 5, i16* %c )
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ret void
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; CHECK: call void (i32, ...)* @varargs(i32 5, i32* %P)
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; CHECK: ret void
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}
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define i8* @test13(i64 %A) {
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%c = getelementptr [0 x i8]* bitcast ([32832 x i8]* @inbuf to [0 x i8]*), i64 0, i64 %A ; <i8*> [#uses=1]
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ret i8* %c
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; CHECK: %c = getelementptr [32832 x i8]* @inbuf, i64 0, i64 %A
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; CHECK: ret i8* %c
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}
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define i1 @test14(i8 %A) {
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%c = bitcast i8 %A to i8 ; <i8> [#uses=1]
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%X = icmp ult i8 %c, -128 ; <i1> [#uses=1]
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ret i1 %X
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; CHECK: %X = icmp sgt i8 %A, -1
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; CHECK: ret i1 %X
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}
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; This just won't occur when there's no difference between ubyte and sbyte
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;bool %test15(ubyte %A) {
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; %c = cast ubyte %A to sbyte
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; %X = setlt sbyte %c, 0 ; setgt %A, 127
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; ret bool %X
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;}
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define i1 @test16(i32* %P) {
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%c = icmp ne i32* %P, null ; <i1> [#uses=1]
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ret i1 %c
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; CHECK: %c = icmp ne i32* %P, null
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; CHECK: ret i1 %c
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}
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define i16 @test17(i1 %tmp3) {
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%c = zext i1 %tmp3 to i32 ; <i32> [#uses=1]
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%t86 = trunc i32 %c to i16 ; <i16> [#uses=1]
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ret i16 %t86
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; CHECK: %t86 = zext i1 %tmp3 to i16
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; CHECK: ret i16 %t86
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}
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define i16 @test18(i8 %tmp3) {
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%c = sext i8 %tmp3 to i32 ; <i32> [#uses=1]
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%t86 = trunc i32 %c to i16 ; <i16> [#uses=1]
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ret i16 %t86
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; CHECK: %t86 = sext i8 %tmp3 to i16
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; CHECK: ret i16 %t86
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}
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define i1 @test19(i32 %X) {
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%c = sext i32 %X to i64 ; <i64> [#uses=1]
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%Z = icmp slt i64 %c, 12345 ; <i1> [#uses=1]
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ret i1 %Z
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; CHECK: %Z = icmp slt i32 %X, 12345
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; CHECK: ret i1 %Z
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}
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define i1 @test20(i1 %B) {
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%c = zext i1 %B to i32 ; <i32> [#uses=1]
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%D = icmp slt i32 %c, -1 ; <i1> [#uses=1]
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;; false
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ret i1 %D
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; CHECK: ret i1 false
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}
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define i32 @test21(i32 %X) {
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%c1 = trunc i32 %X to i8 ; <i8> [#uses=1]
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;; sext -> zext -> and -> nop
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%c2 = sext i8 %c1 to i32 ; <i32> [#uses=1]
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%RV = and i32 %c2, 255 ; <i32> [#uses=1]
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ret i32 %RV
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; CHECK: %c21 = and i32 %X, 255
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; CHECK: ret i32 %c21
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}
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define i32 @test22(i32 %X) {
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%c1 = trunc i32 %X to i8 ; <i8> [#uses=1]
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;; sext -> zext -> and -> nop
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%c2 = sext i8 %c1 to i32 ; <i32> [#uses=1]
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%RV = shl i32 %c2, 24 ; <i32> [#uses=1]
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ret i32 %RV
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; CHECK: shl i32 %X, 24
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; CHECK-NEXT: ret i32
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}
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define i32 @test23(i32 %X) {
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;; Turn into an AND even though X
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%c1 = trunc i32 %X to i16 ; <i16> [#uses=1]
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;; and Z are signed.
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%c2 = zext i16 %c1 to i32 ; <i32> [#uses=1]
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ret i32 %c2
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; CHECK: %c2 = and i32 %X, 65535
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; CHECK: ret i32 %c2
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}
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define i1 @test24(i1 %C) {
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%X = select i1 %C, i32 14, i32 1234 ; <i32> [#uses=1]
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;; Fold cast into select
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%c = icmp ne i32 %X, 0 ; <i1> [#uses=1]
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ret i1 %c
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; CHECK: ret i1 true
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}
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define void @test25(i32** %P) {
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%c = bitcast i32** %P to float** ; <float**> [#uses=1]
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;; Fold cast into null
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store float* null, float** %c
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ret void
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; CHECK: store i32* null, i32** %P
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; CHECK: ret void
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}
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define i32 @test26(float %F) {
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;; no need to cast from float->double.
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%c = fpext float %F to double ; <double> [#uses=1]
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%D = fptosi double %c to i32 ; <i32> [#uses=1]
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ret i32 %D
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; CHECK: %D = fptosi float %F to i32
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; CHECK: ret i32 %D
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}
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define [4 x float]* @test27([9 x [4 x float]]* %A) {
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%c = bitcast [9 x [4 x float]]* %A to [4 x float]* ; <[4 x float]*> [#uses=1]
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ret [4 x float]* %c
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; CHECK: %c = getelementptr inbounds [9 x [4 x float]]* %A, i64 0, i64 0
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; CHECK: ret [4 x float]* %c
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}
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define float* @test28([4 x float]* %A) {
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%c = bitcast [4 x float]* %A to float* ; <float*> [#uses=1]
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ret float* %c
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; CHECK: %c = getelementptr inbounds [4 x float]* %A, i64 0, i64 0
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; CHECK: ret float* %c
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}
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define i32 @test29(i32 %c1, i32 %c2) {
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%tmp1 = trunc i32 %c1 to i8 ; <i8> [#uses=1]
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%tmp4.mask = trunc i32 %c2 to i8 ; <i8> [#uses=1]
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%tmp = or i8 %tmp4.mask, %tmp1 ; <i8> [#uses=1]
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%tmp10 = zext i8 %tmp to i32 ; <i32> [#uses=1]
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ret i32 %tmp10
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; CHECK: %tmp2 = or i32 %c2, %c1
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; CHECK: %tmp10 = and i32 %tmp2, 255
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; CHECK: ret i32 %tmp10
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}
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define i32 @test30(i32 %c1) {
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%c2 = trunc i32 %c1 to i8 ; <i8> [#uses=1]
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%c3 = xor i8 %c2, 1 ; <i8> [#uses=1]
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%c4 = zext i8 %c3 to i32 ; <i32> [#uses=1]
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ret i32 %c4
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; CHECK: %c3 = and i32 %c1, 255
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; CHECK: %c4 = xor i32 %c3, 1
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; CHECK: ret i32 %c4
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}
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define i1 @test31(i64 %A) {
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%B = trunc i64 %A to i32 ; <i32> [#uses=1]
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%C = and i32 %B, 42 ; <i32> [#uses=1]
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%D = icmp eq i32 %C, 10 ; <i1> [#uses=1]
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ret i1 %D
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; CHECK: %C = and i64 %A, 42
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; CHECK: %D = icmp eq i64 %C, 10
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; CHECK: ret i1 %D
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}
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define i32 @test33(i32 %c1) {
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%x = bitcast i32 %c1 to float ; <float> [#uses=1]
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%y = bitcast float %x to i32 ; <i32> [#uses=1]
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ret i32 %y
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; CHECK: ret i32 %c1
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}
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define i16 @test34(i16 %a) {
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%c1 = zext i16 %a to i32 ; <i32> [#uses=1]
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%tmp21 = lshr i32 %c1, 8 ; <i32> [#uses=1]
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%c2 = trunc i32 %tmp21 to i16 ; <i16> [#uses=1]
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ret i16 %c2
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; CHECK: %tmp21 = lshr i16 %a, 8
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; CHECK: ret i16 %tmp21
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}
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define i16 @test35(i16 %a) {
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%c1 = bitcast i16 %a to i16 ; <i16> [#uses=1]
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%tmp2 = lshr i16 %c1, 8 ; <i16> [#uses=1]
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%c2 = bitcast i16 %tmp2 to i16 ; <i16> [#uses=1]
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ret i16 %c2
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; CHECK: %tmp2 = lshr i16 %a, 8
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; CHECK: ret i16 %tmp2
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}
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; icmp sgt i32 %a, -1
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; rdar://6480391
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define i1 @test36(i32 %a) {
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%b = lshr i32 %a, 31
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%c = trunc i32 %b to i8
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%d = icmp eq i8 %c, 0
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ret i1 %d
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; CHECK: %d = icmp sgt i32 %a, -1
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; CHECK: ret i1 %d
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}
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; ret i1 false
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define i1 @test37(i32 %a) {
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%b = lshr i32 %a, 31
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%c = or i32 %b, 512
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%d = trunc i32 %c to i8
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%e = icmp eq i8 %d, 11
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ret i1 %e
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; CHECK: ret i1 false
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}
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define i64 @test38(i32 %a) {
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%1 = icmp eq i32 %a, -2
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%2 = zext i1 %1 to i8
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%3 = xor i8 %2, 1
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%4 = zext i8 %3 to i64
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ret i64 %4
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; CHECK: %1 = icmp ne i32 %a, -2
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; CHECK: %2 = zext i1 %1 to i64
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; CHECK: ret i64 %2
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}
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define i16 @test39(i16 %a) {
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%tmp = zext i16 %a to i32
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%tmp21 = lshr i32 %tmp, 8
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%tmp5 = shl i32 %tmp, 8
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%tmp.upgrd.32 = or i32 %tmp21, %tmp5
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%tmp.upgrd.3 = trunc i32 %tmp.upgrd.32 to i16
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ret i16 %tmp.upgrd.3
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; CHECK: @test39
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; CHECK: %tmp.upgrd.32 = call i16 @llvm.bswap.i16(i16 %a)
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; CHECK: ret i16 %tmp.upgrd.32
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}
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define i16 @test40(i16 %a) {
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%tmp = zext i16 %a to i32
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%tmp21 = lshr i32 %tmp, 9
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%tmp5 = shl i32 %tmp, 8
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%tmp.upgrd.32 = or i32 %tmp21, %tmp5
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%tmp.upgrd.3 = trunc i32 %tmp.upgrd.32 to i16
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ret i16 %tmp.upgrd.3
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; CHECK: @test40
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; CHECK: %tmp21 = lshr i16 %a, 9
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; CHECK: %tmp5 = shl i16 %a, 8
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; CHECK: %tmp.upgrd.32 = or i16 %tmp21, %tmp5
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; CHECK: ret i16 %tmp.upgrd.32
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}
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; PR1263
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define i32* @test41(i32* %tmp1) {
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%tmp64 = bitcast i32* %tmp1 to { i32 }*
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%tmp65 = getelementptr { i32 }* %tmp64, i32 0, i32 0
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ret i32* %tmp65
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; CHECK: @test41
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; CHECK: ret i32* %tmp1
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}
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define i32 @test42(i32 %X) {
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%Y = trunc i32 %X to i8 ; <i8> [#uses=1]
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%Z = zext i8 %Y to i32 ; <i32> [#uses=1]
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ret i32 %Z
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; CHECK: @test42
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; CHECK: %Z = and i32 %X, 255
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}
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; rdar://6598839
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define zeroext i64 @test43(i8 zeroext %on_off) nounwind readonly {
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%A = zext i8 %on_off to i32
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%B = add i32 %A, -1
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%C = sext i32 %B to i64
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ret i64 %C ;; Should be (add (zext i8 -> i64), -1)
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; CHECK: @test43
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; CHECK-NEXT: %A = zext i8 %on_off to i64
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; CHECK-NEXT: %B = add i64 %A, -1
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; CHECK-NEXT: ret i64 %B
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}
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define i64 @test44(i8 %T) {
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%A = zext i8 %T to i16
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%B = or i16 %A, 1234
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%C = zext i16 %B to i64
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ret i64 %C
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; CHECK: @test44
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; CHECK-NEXT: %A = zext i8 %T to i64
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; CHECK-NEXT: %B = or i64 %A, 1234
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; CHECK-NEXT: ret i64 %B
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}
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define i64 @test45(i8 %A, i64 %Q) {
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%D = trunc i64 %Q to i32 ;; should be removed
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%B = sext i8 %A to i32
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%C = or i32 %B, %D
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%E = zext i32 %C to i64
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ret i64 %E
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; CHECK: @test45
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; CHECK-NEXT: %B = sext i8 %A to i64
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; CHECK-NEXT: %C = or i64 %B, %Q
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; CHECK-NEXT: %E = and i64 %C, 4294967295
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; CHECK-NEXT: ret i64 %E
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}
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define i64 @test46(i64 %A) {
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%B = trunc i64 %A to i32
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%C = and i32 %B, 42
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%D = shl i32 %C, 8
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%E = zext i32 %D to i64
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ret i64 %E
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; CHECK: @test46
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; CHECK-NEXT: %C = shl i64 %A, 8
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; CHECK-NEXT: %D = and i64 %C, 10752
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; CHECK-NEXT: ret i64 %D
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}
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define i64 @test47(i8 %A) {
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%B = sext i8 %A to i32
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%C = or i32 %B, 42
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%E = zext i32 %C to i64
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ret i64 %E
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; CHECK: @test47
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; CHECK-NEXT: %B = sext i8 %A to i64
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; CHECK-NEXT: %C = and i64 %B, 4294967253
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; CHECK-NEXT: %E = or i64 %C, 42
|
|
; CHECK-NEXT: ret i64 %E
|
|
}
|
|
|
|
define i64 @test48(i8 %A, i8 %a) {
|
|
%b = zext i8 %a to i32
|
|
%B = zext i8 %A to i32
|
|
%C = shl i32 %B, 8
|
|
%D = or i32 %C, %b
|
|
%E = zext i32 %D to i64
|
|
ret i64 %E
|
|
; CHECK: @test48
|
|
; CHECK-NEXT: %b = zext i8 %a to i64
|
|
; CHECK-NEXT: %B = zext i8 %A to i64
|
|
; CHECK-NEXT: %C = shl nuw nsw i64 %B, 8
|
|
; CHECK-NEXT: %D = or i64 %C, %b
|
|
; CHECK-NEXT: ret i64 %D
|
|
}
|
|
|
|
define i64 @test49(i64 %A) {
|
|
%B = trunc i64 %A to i32
|
|
%C = or i32 %B, 1
|
|
%D = sext i32 %C to i64
|
|
ret i64 %D
|
|
; CHECK: @test49
|
|
; CHECK-NEXT: %C = shl i64 %A, 32
|
|
; CHECK-NEXT: ashr exact i64 %C, 32
|
|
; CHECK-NEXT: %D = or i64 {{.*}}, 1
|
|
; CHECK-NEXT: ret i64 %D
|
|
}
|
|
|
|
define i64 @test50(i64 %A) {
|
|
%a = lshr i64 %A, 2
|
|
%B = trunc i64 %a to i32
|
|
%D = add i32 %B, -1
|
|
%E = sext i32 %D to i64
|
|
ret i64 %E
|
|
; CHECK: @test50
|
|
; lshr+shl will be handled by DAGCombine.
|
|
; CHECK-NEXT: lshr i64 %A, 2
|
|
; CHECK-NEXT: shl i64 %a, 32
|
|
; CHECK-NEXT: add i64 {{.*}}, -4294967296
|
|
; CHECK-NEXT: %E = ashr exact i64 {{.*}}, 32
|
|
; CHECK-NEXT: ret i64 %E
|
|
}
|
|
|
|
define i64 @test51(i64 %A, i1 %cond) {
|
|
%B = trunc i64 %A to i32
|
|
%C = and i32 %B, -2
|
|
%D = or i32 %B, 1
|
|
%E = select i1 %cond, i32 %C, i32 %D
|
|
%F = sext i32 %E to i64
|
|
ret i64 %F
|
|
; CHECK: @test51
|
|
; CHECK-NEXT: %C = and i64 %A, 4294967294
|
|
; CHECK-NEXT: %D = or i64 %A, 1
|
|
; CHECK-NEXT: %E = select i1 %cond, i64 %C, i64 %D
|
|
; CHECK-NEXT: %sext = shl i64 %E, 32
|
|
; CHECK-NEXT: %F = ashr exact i64 %sext, 32
|
|
; CHECK-NEXT: ret i64 %F
|
|
}
|
|
|
|
define i32 @test52(i64 %A) {
|
|
%B = trunc i64 %A to i16
|
|
%C = or i16 %B, -32574
|
|
%D = and i16 %C, -25350
|
|
%E = zext i16 %D to i32
|
|
ret i32 %E
|
|
; CHECK: @test52
|
|
; CHECK-NEXT: %B = trunc i64 %A to i32
|
|
; CHECK-NEXT: %C = and i32 %B, 7224
|
|
; CHECK-NEXT: %D = or i32 %C, 32962
|
|
; CHECK-NEXT: ret i32 %D
|
|
}
|
|
|
|
define i64 @test53(i32 %A) {
|
|
%B = trunc i32 %A to i16
|
|
%C = or i16 %B, -32574
|
|
%D = and i16 %C, -25350
|
|
%E = zext i16 %D to i64
|
|
ret i64 %E
|
|
; CHECK: @test53
|
|
; CHECK-NEXT: %B = zext i32 %A to i64
|
|
; CHECK-NEXT: %C = and i64 %B, 7224
|
|
; CHECK-NEXT: %D = or i64 %C, 32962
|
|
; CHECK-NEXT: ret i64 %D
|
|
}
|
|
|
|
define i32 @test54(i64 %A) {
|
|
%B = trunc i64 %A to i16
|
|
%C = or i16 %B, -32574
|
|
%D = and i16 %C, -25350
|
|
%E = sext i16 %D to i32
|
|
ret i32 %E
|
|
; CHECK: @test54
|
|
; CHECK-NEXT: %B = trunc i64 %A to i32
|
|
; CHECK-NEXT: %C = and i32 %B, 7224
|
|
; CHECK-NEXT: %D = or i32 %C, -32574
|
|
; CHECK-NEXT: ret i32 %D
|
|
}
|
|
|
|
define i64 @test55(i32 %A) {
|
|
%B = trunc i32 %A to i16
|
|
%C = or i16 %B, -32574
|
|
%D = and i16 %C, -25350
|
|
%E = sext i16 %D to i64
|
|
ret i64 %E
|
|
; CHECK: @test55
|
|
; CHECK-NEXT: %B = zext i32 %A to i64
|
|
; CHECK-NEXT: %C = and i64 %B, 7224
|
|
; CHECK-NEXT: %D = or i64 %C, -32574
|
|
; CHECK-NEXT: ret i64 %D
|
|
}
|
|
|
|
define i64 @test56(i16 %A) nounwind {
|
|
%tmp353 = sext i16 %A to i32
|
|
%tmp354 = lshr i32 %tmp353, 5
|
|
%tmp355 = zext i32 %tmp354 to i64
|
|
ret i64 %tmp355
|
|
; CHECK: @test56
|
|
; CHECK-NEXT: %tmp353 = sext i16 %A to i64
|
|
; CHECK-NEXT: %tmp354 = lshr i64 %tmp353, 5
|
|
; CHECK-NEXT: %tmp355 = and i64 %tmp354, 134217727
|
|
; CHECK-NEXT: ret i64 %tmp355
|
|
}
|
|
|
|
define i64 @test57(i64 %A) nounwind {
|
|
%B = trunc i64 %A to i32
|
|
%C = lshr i32 %B, 8
|
|
%E = zext i32 %C to i64
|
|
ret i64 %E
|
|
; CHECK: @test57
|
|
; CHECK-NEXT: %C = lshr i64 %A, 8
|
|
; CHECK-NEXT: %E = and i64 %C, 16777215
|
|
; CHECK-NEXT: ret i64 %E
|
|
}
|
|
|
|
define i64 @test58(i64 %A) nounwind {
|
|
%B = trunc i64 %A to i32
|
|
%C = lshr i32 %B, 8
|
|
%D = or i32 %C, 128
|
|
%E = zext i32 %D to i64
|
|
ret i64 %E
|
|
|
|
; CHECK: @test58
|
|
; CHECK-NEXT: %C = lshr i64 %A, 8
|
|
; CHECK-NEXT: %D = and i64 %C, 16777087
|
|
; CHECK-NEXT: %E = or i64 %D, 128
|
|
; CHECK-NEXT: ret i64 %E
|
|
}
|
|
|
|
define i64 @test59(i8 %A, i8 %B) nounwind {
|
|
%C = zext i8 %A to i32
|
|
%D = shl i32 %C, 4
|
|
%E = and i32 %D, 48
|
|
%F = zext i8 %B to i32
|
|
%G = lshr i32 %F, 4
|
|
%H = or i32 %G, %E
|
|
%I = zext i32 %H to i64
|
|
ret i64 %I
|
|
; CHECK: @test59
|
|
; CHECK-NEXT: %C = zext i8 %A to i64
|
|
; CHECK-NOT: i32
|
|
; CHECK: %F = zext i8 %B to i64
|
|
; CHECK-NOT: i32
|
|
; CHECK: ret i64 %H
|
|
}
|
|
|
|
define <3 x i32> @test60(<4 x i32> %call4) nounwind {
|
|
%tmp11 = bitcast <4 x i32> %call4 to i128
|
|
%tmp9 = trunc i128 %tmp11 to i96
|
|
%tmp10 = bitcast i96 %tmp9 to <3 x i32>
|
|
ret <3 x i32> %tmp10
|
|
|
|
; CHECK: @test60
|
|
; CHECK-NEXT: shufflevector
|
|
; CHECK-NEXT: ret
|
|
}
|
|
|
|
define <4 x i32> @test61(<3 x i32> %call4) nounwind {
|
|
%tmp11 = bitcast <3 x i32> %call4 to i96
|
|
%tmp9 = zext i96 %tmp11 to i128
|
|
%tmp10 = bitcast i128 %tmp9 to <4 x i32>
|
|
ret <4 x i32> %tmp10
|
|
; CHECK: @test61
|
|
; CHECK-NEXT: shufflevector
|
|
; CHECK-NEXT: ret
|
|
}
|
|
|
|
define <4 x i32> @test62(<3 x float> %call4) nounwind {
|
|
%tmp11 = bitcast <3 x float> %call4 to i96
|
|
%tmp9 = zext i96 %tmp11 to i128
|
|
%tmp10 = bitcast i128 %tmp9 to <4 x i32>
|
|
ret <4 x i32> %tmp10
|
|
; CHECK: @test62
|
|
; CHECK-NEXT: bitcast
|
|
; CHECK-NEXT: shufflevector
|
|
; CHECK-NEXT: ret
|
|
}
|
|
|
|
; PR7311 - Don't create invalid IR on scalar->vector cast.
|
|
define <2 x float> @test63(i64 %tmp8) nounwind {
|
|
entry:
|
|
%a = bitcast i64 %tmp8 to <2 x i32>
|
|
%vcvt.i = uitofp <2 x i32> %a to <2 x float>
|
|
ret <2 x float> %vcvt.i
|
|
; CHECK: @test63
|
|
; CHECK: bitcast
|
|
; CHECK: uitofp
|
|
}
|
|
|
|
define <4 x float> @test64(<4 x float> %c) nounwind {
|
|
%t0 = bitcast <4 x float> %c to <4 x i32>
|
|
%t1 = bitcast <4 x i32> %t0 to <4 x float>
|
|
ret <4 x float> %t1
|
|
; CHECK: @test64
|
|
; CHECK-NEXT: ret <4 x float> %c
|
|
}
|
|
|
|
define <4 x float> @test65(<4 x float> %c) nounwind {
|
|
%t0 = bitcast <4 x float> %c to <2 x double>
|
|
%t1 = bitcast <2 x double> %t0 to <4 x float>
|
|
ret <4 x float> %t1
|
|
; CHECK: @test65
|
|
; CHECK-NEXT: ret <4 x float> %c
|
|
}
|
|
|
|
define <2 x float> @test66(<2 x float> %c) nounwind {
|
|
%t0 = bitcast <2 x float> %c to double
|
|
%t1 = bitcast double %t0 to <2 x float>
|
|
ret <2 x float> %t1
|
|
; CHECK: @test66
|
|
; CHECK-NEXT: ret <2 x float> %c
|
|
}
|
|
|
|
define float @test2c() {
|
|
ret float extractelement (<2 x float> bitcast (double bitcast (<2 x float> <float -1.000000e+00, float -1.000000e+00> to double) to <2 x float>), i32 0)
|
|
; CHECK: @test2c
|
|
; CHECK-NOT: extractelement
|
|
}
|
|
|
|
define i64 @test_mmx(<2 x i32> %c) nounwind {
|
|
%A = bitcast <2 x i32> %c to x86_mmx
|
|
%B = bitcast x86_mmx %A to <2 x i32>
|
|
%C = bitcast <2 x i32> %B to i64
|
|
ret i64 %C
|
|
; CHECK: @test_mmx
|
|
; CHECK-NOT: x86_mmx
|
|
}
|
|
|
|
define i64 @test_mmx_const(<2 x i32> %c) nounwind {
|
|
%A = bitcast <2 x i32> zeroinitializer to x86_mmx
|
|
%B = bitcast x86_mmx %A to <2 x i32>
|
|
%C = bitcast <2 x i32> %B to i64
|
|
ret i64 %C
|
|
; CHECK: @test_mmx_const
|
|
; CHECK-NOT: x86_mmx
|
|
}
|
|
|
|
; PR12514
|
|
define i1 @test67(i1 %a, i32 %b) {
|
|
%tmp2 = zext i1 %a to i32
|
|
%conv6 = xor i32 %tmp2, 1
|
|
%and = and i32 %b, %conv6
|
|
%sext = shl nuw nsw i32 %and, 24
|
|
%neg.i = xor i32 %sext, -16777216
|
|
%conv.i.i = ashr exact i32 %neg.i, 24
|
|
%trunc = trunc i32 %conv.i.i to i8
|
|
%tobool.i = icmp eq i8 %trunc, 0
|
|
ret i1 %tobool.i
|
|
; CHECK: @test67
|
|
; CHECK: ret i1 false
|
|
}
|
|
|
|
%s = type { i32, i32, i32 }
|
|
|
|
define %s @test68(%s *%p, i64 %i) {
|
|
; CHECK: @test68
|
|
%o = mul i64 %i, 12
|
|
%q = bitcast %s* %p to i8*
|
|
%pp = getelementptr inbounds i8* %q, i64 %o
|
|
; CHECK-NEXT: getelementptr %s*
|
|
%r = bitcast i8* %pp to %s*
|
|
%l = load %s* %r
|
|
; CHECK-NEXT: load %s*
|
|
ret %s %l
|
|
; CHECK-NEXT: ret %s
|
|
}
|
|
|
|
define double @test69(double *%p, i64 %i) {
|
|
; CHECK: @test69
|
|
%o = shl nsw i64 %i, 3
|
|
%q = bitcast double* %p to i8*
|
|
%pp = getelementptr inbounds i8* %q, i64 %o
|
|
; CHECK-NEXT: getelementptr inbounds double*
|
|
%r = bitcast i8* %pp to double*
|
|
%l = load double* %r
|
|
; CHECK-NEXT: load double*
|
|
ret double %l
|
|
; CHECK-NEXT: ret double
|
|
}
|
|
|
|
define %s @test70(%s *%p, i64 %i) {
|
|
; CHECK: @test70
|
|
%o = mul nsw i64 %i, 36
|
|
; CHECK-NEXT: mul nsw i64 %i, 3
|
|
%q = bitcast %s* %p to i8*
|
|
%pp = getelementptr inbounds i8* %q, i64 %o
|
|
; CHECK-NEXT: getelementptr inbounds %s*
|
|
%r = bitcast i8* %pp to %s*
|
|
%l = load %s* %r
|
|
; CHECK-NEXT: load %s*
|
|
ret %s %l
|
|
; CHECK-NEXT: ret %s
|
|
}
|
|
|
|
define double @test71(double *%p, i64 %i) {
|
|
; CHECK: @test71
|
|
%o = shl i64 %i, 5
|
|
; CHECK-NEXT: shl i64 %i, 2
|
|
%q = bitcast double* %p to i8*
|
|
%pp = getelementptr i8* %q, i64 %o
|
|
; CHECK-NEXT: getelementptr double*
|
|
%r = bitcast i8* %pp to double*
|
|
%l = load double* %r
|
|
; CHECK-NEXT: load double*
|
|
ret double %l
|
|
; CHECK-NEXT: ret double
|
|
}
|
|
|
|
define double @test72(double *%p, i32 %i) {
|
|
; CHECK: @test72
|
|
%so = mul nsw i32 %i, 8
|
|
%o = sext i32 %so to i64
|
|
; CHECK-NEXT: sext i32 %i to i64
|
|
%q = bitcast double* %p to i8*
|
|
%pp = getelementptr inbounds i8* %q, i64 %o
|
|
; CHECK-NEXT: getelementptr inbounds double*
|
|
%r = bitcast i8* %pp to double*
|
|
%l = load double* %r
|
|
; CHECK-NEXT: load double*
|
|
ret double %l
|
|
; CHECK-NEXT: ret double
|
|
}
|
|
|
|
define double @test73(double *%p, i128 %i) {
|
|
; CHECK: @test73
|
|
%lo = mul nsw i128 %i, 8
|
|
%o = trunc i128 %lo to i64
|
|
; CHECK-NEXT: trunc i128 %i to i64
|
|
%q = bitcast double* %p to i8*
|
|
%pp = getelementptr inbounds i8* %q, i64 %o
|
|
; CHECK-NEXT: getelementptr double*
|
|
%r = bitcast i8* %pp to double*
|
|
%l = load double* %r
|
|
; CHECK-NEXT: load double*
|
|
ret double %l
|
|
; CHECK-NEXT: ret double
|
|
}
|
|
|
|
define double @test74(double *%p, i64 %i) {
|
|
; CHECK: @test74
|
|
%q = bitcast double* %p to i64*
|
|
%pp = getelementptr inbounds i64* %q, i64 %i
|
|
; CHECK-NEXT: getelementptr inbounds double*
|
|
%r = bitcast i64* %pp to double*
|
|
%l = load double* %r
|
|
; CHECK-NEXT: load double*
|
|
ret double %l
|
|
; CHECK-NEXT: ret double
|
|
}
|
|
|
|
define i32* @test75(i32* %p, i32 %x) {
|
|
; CHECK: @test75
|
|
%y = shl i32 %x, 3
|
|
; CHECK-NEXT: shl i32 %x, 3
|
|
%z = sext i32 %y to i64
|
|
; CHECK-NEXT: sext i32 %y to i64
|
|
%q = bitcast i32* %p to i8*
|
|
%r = getelementptr i8* %q, i64 %z
|
|
%s = bitcast i8* %r to i32*
|
|
ret i32* %s
|
|
}
|
|
|
|
define %s @test76(%s *%p, i64 %i, i64 %j) {
|
|
; CHECK: @test76
|
|
%o = mul i64 %i, 12
|
|
%o2 = mul nsw i64 %o, %j
|
|
; CHECK-NEXT: %o2 = mul i64 %i, %j
|
|
%q = bitcast %s* %p to i8*
|
|
%pp = getelementptr inbounds i8* %q, i64 %o2
|
|
; CHECK-NEXT: getelementptr %s* %p, i64 %o2
|
|
%r = bitcast i8* %pp to %s*
|
|
%l = load %s* %r
|
|
; CHECK-NEXT: load %s*
|
|
ret %s %l
|
|
; CHECK-NEXT: ret %s
|
|
}
|
|
|
|
define %s @test77(%s *%p, i64 %i, i64 %j) {
|
|
; CHECK: @test77
|
|
%o = mul nsw i64 %i, 36
|
|
%o2 = mul nsw i64 %o, %j
|
|
; CHECK-NEXT: %o = mul nsw i64 %i, 3
|
|
; CHECK-NEXT: %o2 = mul nsw i64 %o, %j
|
|
%q = bitcast %s* %p to i8*
|
|
%pp = getelementptr inbounds i8* %q, i64 %o2
|
|
; CHECK-NEXT: getelementptr inbounds %s* %p, i64 %o2
|
|
%r = bitcast i8* %pp to %s*
|
|
%l = load %s* %r
|
|
; CHECK-NEXT: load %s*
|
|
ret %s %l
|
|
; CHECK-NEXT: ret %s
|
|
}
|
|
|
|
define %s @test78(%s *%p, i64 %i, i64 %j, i32 %k, i32 %l, i128 %m, i128 %n) {
|
|
; CHECK: @test78
|
|
%a = mul nsw i32 %k, 36
|
|
; CHECK-NEXT: mul nsw i32 %k, 3
|
|
%b = mul nsw i32 %a, %l
|
|
; CHECK-NEXT: mul nsw i32 %a, %l
|
|
%c = sext i32 %b to i128
|
|
; CHECK-NEXT: sext i32 %b to i128
|
|
%d = mul nsw i128 %c, %m
|
|
; CHECK-NEXT: mul nsw i128 %c, %m
|
|
%e = mul i128 %d, %n
|
|
; CHECK-NEXT: mul i128 %d, %n
|
|
%f = trunc i128 %e to i64
|
|
; CHECK-NEXT: trunc i128 %e to i64
|
|
%g = mul nsw i64 %f, %i
|
|
; CHECK-NEXT: mul i64 %f, %i
|
|
%h = mul nsw i64 %g, %j
|
|
; CHECK-NEXT: mul i64 %g, %j
|
|
%q = bitcast %s* %p to i8*
|
|
%pp = getelementptr inbounds i8* %q, i64 %h
|
|
; CHECK-NEXT: getelementptr %s* %p, i64 %h
|
|
%r = bitcast i8* %pp to %s*
|
|
%load = load %s* %r
|
|
; CHECK-NEXT: load %s*
|
|
ret %s %load
|
|
; CHECK-NEXT: ret %s
|
|
}
|
|
|
|
define %s @test79(%s *%p, i64 %i, i32 %j) {
|
|
; CHECK: @test79
|
|
%a = mul nsw i64 %i, 36
|
|
; CHECK: mul nsw i64 %i, 36
|
|
%b = trunc i64 %a to i32
|
|
%c = mul i32 %b, %j
|
|
%q = bitcast %s* %p to i8*
|
|
; CHECK: bitcast
|
|
%pp = getelementptr inbounds i8* %q, i32 %c
|
|
%r = bitcast i8* %pp to %s*
|
|
%l = load %s* %r
|
|
ret %s %l
|
|
}
|
|
|
|
define double @test80([100 x double]* %p, i32 %i) {
|
|
; CHECK: @test80
|
|
%tmp = mul nsw i32 %i, 8
|
|
; CHECK-NEXT: sext i32 %i to i64
|
|
%q = bitcast [100 x double]* %p to i8*
|
|
%pp = getelementptr i8* %q, i32 %tmp
|
|
; CHECK-NEXT: getelementptr [100 x double]*
|
|
%r = bitcast i8* %pp to double*
|
|
%l = load double* %r
|
|
; CHECK-NEXT: load double*
|
|
ret double %l
|
|
; CHECK-NEXT: ret double
|
|
}
|
|
|
|
define double @test81(double *%p, float %f) {
|
|
%i = fptosi float %f to i64
|
|
%q = bitcast double* %p to i8*
|
|
%pp = getelementptr i8* %q, i64 %i
|
|
%r = bitcast i8* %pp to double*
|
|
%l = load double* %r
|
|
ret double %l
|
|
}
|
|
|
|
define i64 @test82(i64 %A) nounwind {
|
|
%B = trunc i64 %A to i32
|
|
%C = lshr i32 %B, 8
|
|
%D = shl i32 %C, 9
|
|
%E = zext i32 %D to i64
|
|
ret i64 %E
|
|
|
|
; CHECK: @test82
|
|
; CHECK-NEXT: [[REG:%[0-9]*]] = shl i64 %A, 1
|
|
; CHECK-NEXT: %E = and i64 [[REG]], 4294966784
|
|
; CHECK-NEXT: ret i64 %E
|
|
}
|
|
|
|
; PR15959
|
|
define i64 @test83(i16 %a, i64 %k) {
|
|
%conv = sext i16 %a to i32
|
|
%sub = add nsw i64 %k, -1
|
|
%sh_prom = trunc i64 %sub to i32
|
|
%shl = shl i32 %conv, %sh_prom
|
|
%sh_prom1 = zext i32 %shl to i64
|
|
ret i64 %sh_prom1
|
|
|
|
; CHECK: @test83
|
|
; CHECK: %sub = add nsw i64 %k, 4294967295
|
|
; CHECK: %sh_prom = trunc i64 %sub to i32
|
|
; CHECK: %shl = shl i32 %conv, %sh_prom
|
|
}
|