mirror of
https://github.com/c64scene-ar/llvm-6502.git
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526057921d
Also add an assert to avoid confusion in the code where is known that C1 <= C2. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171310 91177308-0d34-0410-b5e6-96231b3b80d8
709 lines
15 KiB
LLVM
709 lines
15 KiB
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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target datalayout =
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"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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define i32 @test1(i32 %X) {
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entry:
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icmp slt i32 %X, 0 ; <i1>:0 [#uses=1]
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zext i1 %0 to i32 ; <i32>:1 [#uses=1]
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ret i32 %1
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; CHECK: @test1
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; CHECK: lshr i32 %X, 31
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; CHECK-NEXT: ret i32
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}
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define i32 @test2(i32 %X) {
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entry:
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icmp ult i32 %X, -2147483648 ; <i1>:0 [#uses=1]
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zext i1 %0 to i32 ; <i32>:1 [#uses=1]
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ret i32 %1
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; CHECK: @test2
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; CHECK: lshr i32 %X, 31
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; CHECK-NEXT: xor i32
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; CHECK-NEXT: ret i32
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}
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define i32 @test3(i32 %X) {
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entry:
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icmp slt i32 %X, 0 ; <i1>:0 [#uses=1]
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sext i1 %0 to i32 ; <i32>:1 [#uses=1]
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ret i32 %1
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; CHECK: @test3
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; CHECK: ashr i32 %X, 31
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; CHECK-NEXT: ret i32
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}
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define i32 @test4(i32 %X) {
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entry:
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icmp ult i32 %X, -2147483648 ; <i1>:0 [#uses=1]
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sext i1 %0 to i32 ; <i32>:1 [#uses=1]
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ret i32 %1
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; CHECK: @test4
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; CHECK: ashr i32 %X, 31
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; CHECK-NEXT: xor i32
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; CHECK-NEXT: ret i32
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}
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; PR4837
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define <2 x i1> @test5(<2 x i64> %x) {
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entry:
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%V = icmp eq <2 x i64> %x, undef
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ret <2 x i1> %V
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; CHECK: @test5
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; CHECK: ret <2 x i1> <i1 true, i1 true>
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}
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define i32 @test6(i32 %a, i32 %b) {
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%c = icmp sle i32 %a, -1
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%d = zext i1 %c to i32
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%e = sub i32 0, %d
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%f = and i32 %e, %b
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ret i32 %f
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; CHECK: @test6
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; CHECK-NEXT: ashr i32 %a, 31
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; CHECK-NEXT: %f = and i32 %e, %b
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; CHECK-NEXT: ret i32 %f
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}
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define i1 @test7(i32 %x) {
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entry:
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%a = add i32 %x, -1
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%b = icmp ult i32 %a, %x
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ret i1 %b
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; CHECK: @test7
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; CHECK: %b = icmp ne i32 %x, 0
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; CHECK: ret i1 %b
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}
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define i1 @test8(i32 %x){
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entry:
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%a = add i32 %x, -1
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%b = icmp eq i32 %a, %x
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ret i1 %b
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; CHECK: @test8
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; CHECK: ret i1 false
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}
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define i1 @test9(i32 %x) {
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entry:
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%a = add i32 %x, -2
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%b = icmp ugt i32 %x, %a
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ret i1 %b
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; CHECK: @test9
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; CHECK: icmp ugt i32 %x, 1
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; CHECK: ret i1 %b
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}
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define i1 @test10(i32 %x){
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entry:
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%a = add i32 %x, -1
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%b = icmp slt i32 %a, %x
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ret i1 %b
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; CHECK: @test10
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; CHECK: %b = icmp ne i32 %x, -2147483648
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; CHECK: ret i1 %b
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}
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define i1 @test11(i32 %x) {
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%a = add nsw i32 %x, 8
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%b = icmp slt i32 %x, %a
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ret i1 %b
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; CHECK: @test11
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; CHECK: ret i1 true
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}
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; PR6195
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define i1 @test12(i1 %A) {
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%S = select i1 %A, i64 -4294967295, i64 8589934591
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%B = icmp ne i64 bitcast (<2 x i32> <i32 1, i32 -1> to i64), %S
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ret i1 %B
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; CHECK: @test12
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; CHECK-NEXT: = xor i1 %A, true
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; CHECK-NEXT: ret i1
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}
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; PR6481
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define i1 @test13(i8 %X) nounwind readnone {
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entry:
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%cmp = icmp slt i8 undef, %X
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ret i1 %cmp
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; CHECK: @test13
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; CHECK: ret i1 false
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}
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define i1 @test14(i8 %X) nounwind readnone {
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entry:
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%cmp = icmp slt i8 undef, -128
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ret i1 %cmp
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; CHECK: @test14
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; CHECK: ret i1 false
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}
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define i1 @test15() nounwind readnone {
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entry:
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%cmp = icmp eq i8 undef, -128
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ret i1 %cmp
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; CHECK: @test15
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; CHECK: ret i1 undef
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}
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define i1 @test16() nounwind readnone {
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entry:
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%cmp = icmp ne i8 undef, -128
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ret i1 %cmp
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; CHECK: @test16
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; CHECK: ret i1 undef
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}
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define i1 @test17(i32 %x) nounwind {
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%shl = shl i32 1, %x
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%and = and i32 %shl, 8
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%cmp = icmp eq i32 %and, 0
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ret i1 %cmp
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; CHECK: @test17
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; CHECK-NEXT: %cmp = icmp ne i32 %x, 3
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}
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define i1 @test18(i32 %x) nounwind {
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%sh = lshr i32 8, %x
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%and = and i32 %sh, 1
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%cmp = icmp eq i32 %and, 0
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ret i1 %cmp
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; CHECK: @test18
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; CHECK-NEXT: %cmp = icmp ne i32 %x, 3
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}
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define i1 @test19(i32 %x) nounwind {
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%shl = shl i32 1, %x
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%and = and i32 %shl, 8
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%cmp = icmp eq i32 %and, 8
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ret i1 %cmp
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; CHECK: @test19
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; CHECK-NEXT: %cmp = icmp eq i32 %x, 3
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}
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define i1 @test20(i32 %x) nounwind {
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%shl = shl i32 1, %x
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%and = and i32 %shl, 8
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%cmp = icmp ne i32 %and, 0
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ret i1 %cmp
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; CHECK: @test20
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; CHECK-NEXT: %cmp = icmp eq i32 %x, 3
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}
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define i1 @test21(i8 %x, i8 %y) {
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; CHECK: @test21
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; CHECK-NOT: or i8
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; CHECK: icmp ugt
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%A = or i8 %x, 1
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%B = icmp ugt i8 %A, 3
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ret i1 %B
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}
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define i1 @test22(i8 %x, i8 %y) {
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; CHECK: @test22
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; CHECK-NOT: or i8
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; CHECK: icmp ult
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%A = or i8 %x, 1
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%B = icmp ult i8 %A, 4
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ret i1 %B
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}
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; PR2740
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; CHECK: @test23
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; CHECK: icmp sgt i32 %x, 1328634634
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define i1 @test23(i32 %x) nounwind {
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%i3 = sdiv i32 %x, -1328634635
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%i4 = icmp eq i32 %i3, -1
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ret i1 %i4
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}
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@X = global [1000 x i32] zeroinitializer
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; PR8882
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; CHECK: @test24
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; CHECK: %cmp = icmp eq i64 %i, 1000
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; CHECK: ret i1 %cmp
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define i1 @test24(i64 %i) {
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%p1 = getelementptr inbounds i32* getelementptr inbounds ([1000 x i32]* @X, i64 0, i64 0), i64 %i
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%cmp = icmp eq i32* %p1, getelementptr inbounds ([1000 x i32]* @X, i64 1, i64 0)
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ret i1 %cmp
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}
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; CHECK: @test25
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; X + Z > Y + Z -> X > Y if there is no overflow.
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; CHECK: %c = icmp sgt i32 %x, %y
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; CHECK: ret i1 %c
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define i1 @test25(i32 %x, i32 %y, i32 %z) {
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%lhs = add nsw i32 %x, %z
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%rhs = add nsw i32 %y, %z
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%c = icmp sgt i32 %lhs, %rhs
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ret i1 %c
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}
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; CHECK: @test26
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; X + Z > Y + Z -> X > Y if there is no overflow.
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; CHECK: %c = icmp ugt i32 %x, %y
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; CHECK: ret i1 %c
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define i1 @test26(i32 %x, i32 %y, i32 %z) {
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%lhs = add nuw i32 %x, %z
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%rhs = add nuw i32 %y, %z
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%c = icmp ugt i32 %lhs, %rhs
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ret i1 %c
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}
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; CHECK: @test27
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; X - Z > Y - Z -> X > Y if there is no overflow.
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; CHECK: %c = icmp sgt i32 %x, %y
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; CHECK: ret i1 %c
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define i1 @test27(i32 %x, i32 %y, i32 %z) {
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%lhs = sub nsw i32 %x, %z
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%rhs = sub nsw i32 %y, %z
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%c = icmp sgt i32 %lhs, %rhs
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ret i1 %c
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}
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; CHECK: @test28
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; X - Z > Y - Z -> X > Y if there is no overflow.
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; CHECK: %c = icmp ugt i32 %x, %y
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; CHECK: ret i1 %c
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define i1 @test28(i32 %x, i32 %y, i32 %z) {
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%lhs = sub nuw i32 %x, %z
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%rhs = sub nuw i32 %y, %z
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%c = icmp ugt i32 %lhs, %rhs
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ret i1 %c
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}
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; CHECK: @test29
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; X + Y > X -> Y > 0 if there is no overflow.
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; CHECK: %c = icmp sgt i32 %y, 0
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; CHECK: ret i1 %c
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define i1 @test29(i32 %x, i32 %y) {
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%lhs = add nsw i32 %x, %y
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%c = icmp sgt i32 %lhs, %x
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ret i1 %c
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}
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; CHECK: @test30
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; X + Y > X -> Y > 0 if there is no overflow.
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; CHECK: %c = icmp ne i32 %y, 0
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; CHECK: ret i1 %c
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define i1 @test30(i32 %x, i32 %y) {
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%lhs = add nuw i32 %x, %y
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%c = icmp ugt i32 %lhs, %x
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ret i1 %c
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}
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; CHECK: @test31
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; X > X + Y -> 0 > Y if there is no overflow.
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; CHECK: %c = icmp slt i32 %y, 0
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; CHECK: ret i1 %c
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define i1 @test31(i32 %x, i32 %y) {
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%rhs = add nsw i32 %x, %y
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%c = icmp sgt i32 %x, %rhs
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ret i1 %c
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}
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; CHECK: @test32
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; X > X + Y -> 0 > Y if there is no overflow.
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; CHECK: ret i1 false
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define i1 @test32(i32 %x, i32 %y) {
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%rhs = add nuw i32 %x, %y
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%c = icmp ugt i32 %x, %rhs
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ret i1 %c
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}
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; CHECK: @test33
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; X - Y > X -> 0 > Y if there is no overflow.
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; CHECK: %c = icmp slt i32 %y, 0
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; CHECK: ret i1 %c
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define i1 @test33(i32 %x, i32 %y) {
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%lhs = sub nsw i32 %x, %y
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%c = icmp sgt i32 %lhs, %x
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ret i1 %c
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}
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; CHECK: @test34
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; X - Y > X -> 0 > Y if there is no overflow.
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; CHECK: ret i1 false
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define i1 @test34(i32 %x, i32 %y) {
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%lhs = sub nuw i32 %x, %y
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%c = icmp ugt i32 %lhs, %x
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ret i1 %c
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}
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; CHECK: @test35
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; X > X - Y -> Y > 0 if there is no overflow.
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; CHECK: %c = icmp sgt i32 %y, 0
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; CHECK: ret i1 %c
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define i1 @test35(i32 %x, i32 %y) {
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%rhs = sub nsw i32 %x, %y
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%c = icmp sgt i32 %x, %rhs
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ret i1 %c
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}
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; CHECK: @test36
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; X > X - Y -> Y > 0 if there is no overflow.
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; CHECK: %c = icmp ne i32 %y, 0
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; CHECK: ret i1 %c
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define i1 @test36(i32 %x, i32 %y) {
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%rhs = sub nuw i32 %x, %y
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%c = icmp ugt i32 %x, %rhs
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ret i1 %c
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}
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; CHECK: @test37
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; X - Y > X - Z -> Z > Y if there is no overflow.
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; CHECK: %c = icmp sgt i32 %z, %y
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; CHECK: ret i1 %c
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define i1 @test37(i32 %x, i32 %y, i32 %z) {
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%lhs = sub nsw i32 %x, %y
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%rhs = sub nsw i32 %x, %z
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%c = icmp sgt i32 %lhs, %rhs
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ret i1 %c
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}
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; CHECK: @test38
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; X - Y > X - Z -> Z > Y if there is no overflow.
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; CHECK: %c = icmp ugt i32 %z, %y
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; CHECK: ret i1 %c
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define i1 @test38(i32 %x, i32 %y, i32 %z) {
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%lhs = sub nuw i32 %x, %y
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%rhs = sub nuw i32 %x, %z
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%c = icmp ugt i32 %lhs, %rhs
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ret i1 %c
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}
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; PR9343 #1
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; CHECK: @test39
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; CHECK: %B = icmp eq i32 %X, 0
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define i1 @test39(i32 %X, i32 %Y) {
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%A = ashr exact i32 %X, %Y
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%B = icmp eq i32 %A, 0
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ret i1 %B
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}
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; CHECK: @test40
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; CHECK: %B = icmp ne i32 %X, 0
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define i1 @test40(i32 %X, i32 %Y) {
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%A = lshr exact i32 %X, %Y
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%B = icmp ne i32 %A, 0
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ret i1 %B
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}
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; PR9343 #3
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; CHECK: @test41
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; CHECK: ret i1 true
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define i1 @test41(i32 %X, i32 %Y) {
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%A = urem i32 %X, %Y
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%B = icmp ugt i32 %Y, %A
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ret i1 %B
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}
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; CHECK: @test42
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; CHECK: %B = icmp sgt i32 %Y, -1
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define i1 @test42(i32 %X, i32 %Y) {
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%A = srem i32 %X, %Y
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%B = icmp slt i32 %A, %Y
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ret i1 %B
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}
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; CHECK: @test43
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; CHECK: %B = icmp slt i32 %Y, 0
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define i1 @test43(i32 %X, i32 %Y) {
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%A = srem i32 %X, %Y
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%B = icmp slt i32 %Y, %A
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ret i1 %B
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}
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; CHECK: @test44
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; CHECK: %B = icmp sgt i32 %Y, -1
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define i1 @test44(i32 %X, i32 %Y) {
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%A = srem i32 %X, %Y
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%B = icmp slt i32 %A, %Y
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ret i1 %B
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}
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; CHECK: @test45
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; CHECK: %B = icmp slt i32 %Y, 0
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define i1 @test45(i32 %X, i32 %Y) {
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%A = srem i32 %X, %Y
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%B = icmp slt i32 %Y, %A
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ret i1 %B
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}
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; PR9343 #4
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; CHECK: @test46
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; CHECK: %C = icmp ult i32 %X, %Y
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define i1 @test46(i32 %X, i32 %Y, i32 %Z) {
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%A = ashr exact i32 %X, %Z
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%B = ashr exact i32 %Y, %Z
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%C = icmp ult i32 %A, %B
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ret i1 %C
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}
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; PR9343 #5
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; CHECK: @test47
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; CHECK: %C = icmp ugt i32 %X, %Y
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define i1 @test47(i32 %X, i32 %Y, i32 %Z) {
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%A = ashr exact i32 %X, %Z
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%B = ashr exact i32 %Y, %Z
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%C = icmp ugt i32 %A, %B
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ret i1 %C
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}
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; PR9343 #8
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; CHECK: @test48
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; CHECK: %C = icmp eq i32 %X, %Y
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define i1 @test48(i32 %X, i32 %Y, i32 %Z) {
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%A = sdiv exact i32 %X, %Z
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%B = sdiv exact i32 %Y, %Z
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%C = icmp eq i32 %A, %B
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ret i1 %C
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}
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; PR8469
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; CHECK: @test49
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; CHECK: ret <2 x i1> <i1 true, i1 true>
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define <2 x i1> @test49(<2 x i32> %tmp3) {
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entry:
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%tmp11 = and <2 x i32> %tmp3, <i32 3, i32 3>
|
|
%cmp = icmp ult <2 x i32> %tmp11, <i32 4, i32 4>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
; PR9343 #7
|
|
; CHECK: @test50
|
|
; CHECK: ret i1 true
|
|
define i1 @test50(i16 %X, i32 %Y) {
|
|
%A = zext i16 %X to i32
|
|
%B = srem i32 %A, %Y
|
|
%C = icmp sgt i32 %B, -1
|
|
ret i1 %C
|
|
}
|
|
|
|
; CHECK: @test51
|
|
; CHECK: ret i1 %C
|
|
define i1 @test51(i32 %X, i32 %Y) {
|
|
%A = and i32 %X, 2147483648
|
|
%B = srem i32 %A, %Y
|
|
%C = icmp sgt i32 %B, -1
|
|
ret i1 %C
|
|
}
|
|
|
|
; CHECK: @test52
|
|
; CHECK-NEXT: and i32 %x1, 16711935
|
|
; CHECK-NEXT: icmp eq i32 {{.*}}, 4980863
|
|
; CHECK-NEXT: ret i1
|
|
define i1 @test52(i32 %x1) nounwind {
|
|
%conv = and i32 %x1, 255
|
|
%cmp = icmp eq i32 %conv, 127
|
|
%tmp2 = lshr i32 %x1, 16
|
|
%tmp3 = trunc i32 %tmp2 to i8
|
|
%cmp15 = icmp eq i8 %tmp3, 76
|
|
|
|
%A = and i1 %cmp, %cmp15
|
|
ret i1 %A
|
|
}
|
|
|
|
; PR9838
|
|
; CHECK: @test53
|
|
; CHECK-NEXT: ashr exact
|
|
; CHECK-NEXT: ashr
|
|
; CHECK-NEXT: icmp
|
|
define i1 @test53(i32 %a, i32 %b) nounwind {
|
|
%x = ashr exact i32 %a, 30
|
|
%y = ashr i32 %b, 30
|
|
%z = icmp eq i32 %x, %y
|
|
ret i1 %z
|
|
}
|
|
|
|
; CHECK: @test54
|
|
; CHECK-NEXT: %and = and i8 %a, -64
|
|
; CHECK-NEXT: icmp eq i8 %and, -128
|
|
define i1 @test54(i8 %a) nounwind {
|
|
%ext = zext i8 %a to i32
|
|
%and = and i32 %ext, 192
|
|
%ret = icmp eq i32 %and, 128
|
|
ret i1 %ret
|
|
}
|
|
|
|
; CHECK: @test55
|
|
; CHECK-NEXT: icmp eq i32 %a, -123
|
|
define i1 @test55(i32 %a) {
|
|
%sub = sub i32 0, %a
|
|
%cmp = icmp eq i32 %sub, 123
|
|
ret i1 %cmp
|
|
}
|
|
|
|
; CHECK: @test56
|
|
; CHECK-NEXT: icmp eq i32 %a, -113
|
|
define i1 @test56(i32 %a) {
|
|
%sub = sub i32 10, %a
|
|
%cmp = icmp eq i32 %sub, 123
|
|
ret i1 %cmp
|
|
}
|
|
|
|
; PR10267 Don't make icmps more expensive when no other inst is subsumed.
|
|
declare void @foo(i32)
|
|
; CHECK: @test57
|
|
; CHECK: %and = and i32 %a, -2
|
|
; CHECK: %cmp = icmp ne i32 %and, 0
|
|
define i1 @test57(i32 %a) {
|
|
%and = and i32 %a, -2
|
|
%cmp = icmp ne i32 %and, 0
|
|
call void @foo(i32 %and)
|
|
ret i1 %cmp
|
|
}
|
|
|
|
; rdar://problem/10482509
|
|
; CHECK: @cmpabs1
|
|
; CHECK-NEXT: icmp ne
|
|
define zeroext i1 @cmpabs1(i64 %val) {
|
|
%sub = sub nsw i64 0, %val
|
|
%cmp = icmp slt i64 %val, 0
|
|
%sub.val = select i1 %cmp, i64 %sub, i64 %val
|
|
%tobool = icmp ne i64 %sub.val, 0
|
|
ret i1 %tobool
|
|
}
|
|
|
|
; CHECK: @cmpabs2
|
|
; CHECK-NEXT: icmp ne
|
|
define zeroext i1 @cmpabs2(i64 %val) {
|
|
%sub = sub nsw i64 0, %val
|
|
%cmp = icmp slt i64 %val, 0
|
|
%sub.val = select i1 %cmp, i64 %val, i64 %sub
|
|
%tobool = icmp ne i64 %sub.val, 0
|
|
ret i1 %tobool
|
|
}
|
|
|
|
; CHECK: @test58
|
|
; CHECK-NEXT: call i32 @test58_d(i64 36029346783166592)
|
|
define void @test58() nounwind {
|
|
%cast = bitcast <1 x i64> <i64 36029346783166592> to i64
|
|
%call = call i32 @test58_d( i64 %cast) nounwind
|
|
ret void
|
|
}
|
|
declare i32 @test58_d(i64)
|
|
|
|
define i1 @test59(i8* %foo) {
|
|
%bit = bitcast i8* %foo to i32*
|
|
%gep1 = getelementptr inbounds i32* %bit, i64 2
|
|
%gep2 = getelementptr inbounds i8* %foo, i64 10
|
|
%cast1 = bitcast i32* %gep1 to i8*
|
|
%cmp = icmp ult i8* %cast1, %gep2
|
|
%use = ptrtoint i8* %cast1 to i64
|
|
%call = call i32 @test58_d(i64 %use) nounwind
|
|
ret i1 %cmp
|
|
; CHECK: @test59
|
|
; CHECK: ret i1 true
|
|
}
|
|
|
|
define i1 @test60(i8* %foo, i64 %i, i64 %j) {
|
|
%bit = bitcast i8* %foo to i32*
|
|
%gep1 = getelementptr inbounds i32* %bit, i64 %i
|
|
%gep2 = getelementptr inbounds i8* %foo, i64 %j
|
|
%cast1 = bitcast i32* %gep1 to i8*
|
|
%cmp = icmp ult i8* %cast1, %gep2
|
|
ret i1 %cmp
|
|
; CHECK: @test60
|
|
; CHECK-NEXT: %gep1.idx = shl nuw i64 %i, 2
|
|
; CHECK-NEXT: icmp slt i64 %gep1.idx, %j
|
|
; CHECK-NEXT: ret i1
|
|
}
|
|
|
|
define i1 @test61(i8* %foo, i64 %i, i64 %j) {
|
|
%bit = bitcast i8* %foo to i32*
|
|
%gep1 = getelementptr i32* %bit, i64 %i
|
|
%gep2 = getelementptr i8* %foo, i64 %j
|
|
%cast1 = bitcast i32* %gep1 to i8*
|
|
%cmp = icmp ult i8* %cast1, %gep2
|
|
ret i1 %cmp
|
|
; Don't transform non-inbounds GEPs.
|
|
; CHECK: @test61
|
|
; CHECK: icmp ult i8* %cast1, %gep2
|
|
; CHECK-NEXT: ret i1
|
|
}
|
|
|
|
define i1 @test62(i8* %a) {
|
|
%arrayidx1 = getelementptr inbounds i8* %a, i64 1
|
|
%arrayidx2 = getelementptr inbounds i8* %a, i64 10
|
|
%cmp = icmp slt i8* %arrayidx1, %arrayidx2
|
|
ret i1 %cmp
|
|
; CHECK: @test62
|
|
; CHECK-NEXT: ret i1 true
|
|
}
|
|
|
|
define i1 @test63(i8 %a, i32 %b) nounwind {
|
|
%z = zext i8 %a to i32
|
|
%t = and i32 %b, 255
|
|
%c = icmp eq i32 %z, %t
|
|
ret i1 %c
|
|
; CHECK: @test63
|
|
; CHECK-NEXT: %1 = trunc i32 %b to i8
|
|
; CHECK-NEXT: %c = icmp eq i8 %1, %a
|
|
; CHECK-NEXT: ret i1 %c
|
|
}
|
|
|
|
define i1 @test64(i8 %a, i32 %b) nounwind {
|
|
%t = and i32 %b, 255
|
|
%z = zext i8 %a to i32
|
|
%c = icmp eq i32 %t, %z
|
|
ret i1 %c
|
|
; CHECK: @test64
|
|
; CHECK-NEXT: %1 = trunc i32 %b to i8
|
|
; CHECK-NEXT: %c = icmp eq i8 %1, %a
|
|
; CHECK-NEXT: ret i1 %c
|
|
}
|
|
|
|
define i1 @test65(i64 %A, i64 %B) {
|
|
%s1 = add i64 %A, %B
|
|
%s2 = add i64 %A, %B
|
|
%cmp = icmp eq i64 %s1, %s2
|
|
; CHECK: @test65
|
|
; CHECK-NEXT: ret i1 true
|
|
ret i1 %cmp
|
|
}
|
|
|
|
define i1 @test66(i64 %A, i64 %B) {
|
|
%s1 = add i64 %A, %B
|
|
%s2 = add i64 %B, %A
|
|
%cmp = icmp eq i64 %s1, %s2
|
|
; CHECK: @test66
|
|
; CHECK-NEXT: ret i1 true
|
|
ret i1 %cmp
|
|
}
|
|
|
|
; CHECK: @test67
|
|
; CHECK: %and = and i32 %x, 96
|
|
; CHECK: %cmp = icmp ne i32 %and, 0
|
|
define i1 @test67(i32 %x) nounwind uwtable {
|
|
%and = and i32 %x, 127
|
|
%cmp = icmp sgt i32 %and, 31
|
|
ret i1 %cmp
|
|
}
|
|
|
|
; CHECK: @test68
|
|
; CHECK: %cmp = icmp ugt i32 %and, 30
|
|
define i1 @test68(i32 %x) nounwind uwtable {
|
|
%and = and i32 %x, 127
|
|
%cmp = icmp sgt i32 %and, 30
|
|
ret i1 %cmp
|
|
}
|
|
|
|
; PR14708
|
|
; CHECK: @test69
|
|
; CHECK: %1 = and i32 %c, -33
|
|
; CHECK: %2 = icmp eq i32 %1, 65
|
|
; CHECK: ret i1 %2
|
|
define i1 @test69(i32 %c) nounwind uwtable {
|
|
%1 = icmp eq i32 %c, 97
|
|
%2 = icmp eq i32 %c, 65
|
|
%3 = or i1 %1, %2
|
|
ret i1 %3
|
|
}
|