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consolodate various GEP tests into getelementptr.ll using filecheck.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80514 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-08-30 21:02:36 +00:00
parent d0585ffed1
commit ad5b15379e
8 changed files with 106 additions and 158 deletions
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21
test/Transforms/InstCombine/getelementptr-2.ll
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@ -1,21 +0,0 @@
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep load
; PR4748
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i386-apple-darwin9"
%struct.B = type { double }
%struct.A = type { %struct.B, i32, i32 }
define i32 @_Z4funcv(%struct.A* %a) {
entry:
%g3 = getelementptr %struct.A* %a, i32 0, i32 1
store i32 10, i32* %g3, align 4
%g4 = getelementptr %struct.A* %a, i32 0, i32 0
%new_a = bitcast %struct.B* %g4 to %struct.A*
%g5 = getelementptr %struct.A* %new_a, i32 0, i32 1
%a_a = load i32* %g5, align 4
ret i32 %a_a
}

31
test/Transforms/InstCombine/getelementptr-setcc.ll
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@ -1,31 +0,0 @@
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
; RUN: not grep getelementptr
define i1 @test1(i16* %P, i32 %I, i32 %J) {
%X = getelementptr inbounds i16* %P, i32 %I ; <i16*> [#uses=1]
%Y = getelementptr inbounds i16* %P, i32 %J ; <i16*> [#uses=1]
%C = icmp ult i16* %X, %Y ; <i1> [#uses=1]
ret i1 %C
}
define i1 @test2(i16* %P, i32 %I) {
%X = getelementptr inbounds i16* %P, i32 %I ; <i16*> [#uses=1]
%C = icmp ult i16* %X, %P ; <i1> [#uses=1]
ret i1 %C
}
define i32 @test3(i32* %P, i32 %A, i32 %B) {
%tmp.4 = getelementptr inbounds i32* %P, i32 %A ; <i32*> [#uses=1]
%tmp.9 = getelementptr inbounds i32* %P, i32 %B ; <i32*> [#uses=1]
%tmp.10 = icmp eq i32* %tmp.4, %tmp.9 ; <i1> [#uses=1]
%tmp.11 = zext i1 %tmp.10 to i32 ; <i32> [#uses=1]
ret i32 %tmp.11
}
define i32 @test4(i32* %P, i32 %A, i32 %B) {
%tmp.4 = getelementptr inbounds i32* %P, i32 %A ; <i32*> [#uses=1]
%tmp.6 = icmp eq i32* %tmp.4, %P ; <i1> [#uses=1]
%tmp.7 = zext i1 %tmp.6 to i32 ; <i32> [#uses=1]
ret i32 %tmp.7
}

13
test/Transforms/InstCombine/getelementptr-seteq.ll
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@ -1,13 +0,0 @@
; Test folding of constantexpr geps into normal geps.
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {icmp eq i64 %X, -1}
; PR2235
%S = type { i32, [ 100 x i32] }
define i1 @test(i64 %X, %S* %P) {
%A = getelementptr inbounds %S* %P, i32 0, i32 1, i64 %X
%B = getelementptr inbounds %S* %P, i32 0, i32 0
%C = icmp eq i32* %A, %B
ret i1 %C
}

106
test/Transforms/InstCombine/getelementptr.ll
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@ -1,6 +1,12 @@
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | FileCheck %s
target datalayout = "e-p:64:64"
%pair = type { i32, i32 }
%struct.B = type { double }
%struct.A = type { %struct.B, i32, i32 }
@Global = constant [10 x i8] c"helloworld"
; Test noop elimination
@ -98,3 +104,103 @@ define i1 @test11({ i32, i32 }* %X) {
; CHECK: @test11
; CHECK: icmp eq %pair* %X, null
}
; PR4748
define i32 @test12(%struct.A* %a) {
entry:
%g3 = getelementptr %struct.A* %a, i32 0, i32 1
store i32 10, i32* %g3, align 4
%g4 = getelementptr %struct.A* %a, i32 0, i32 0
%new_a = bitcast %struct.B* %g4 to %struct.A*
%g5 = getelementptr %struct.A* %new_a, i32 0, i32 1
%a_a = load i32* %g5, align 4
ret i32 %a_a
; CHECK: @test12
; CHECK: getelementptr %struct.A* %a, i64 0, i32 1
; CHECK-NEXT: store i32 10, i32* %g3
; CHECK-NEXT: ret i32 10
}
; PR2235
%S = type { i32, [ 100 x i32] }
define i1 @test13(i64 %X, %S* %P) {
%A = getelementptr inbounds %S* %P, i32 0, i32 1, i64 %X
%B = getelementptr inbounds %S* %P, i32 0, i32 0
%C = icmp eq i32* %A, %B
ret i1 %C
; CHECK: @test13
; CHECK: %C = icmp eq i64 %X, -1
}
@G = external global [3 x i8] ; <[3 x i8]*> [#uses=1]
define i8* @test14(i32 %Idx) {
%idx = zext i32 %Idx to i64 ; <i64> [#uses=1]
%tmp = getelementptr i8* getelementptr ([3 x i8]* @G, i32 0, i32 0), i64 %idx
ret i8* %tmp
; CHECK: @test14
; CHECK: getelementptr [3 x i8]* @G, i64 0, i64 %idx
}
; Test folding of constantexpr geps into normal geps.
@Array = external global [40 x i32] ; <[40 x i32]*> [#uses=2]
define i32 *@test15(i64 %X) {
%A = getelementptr i32* getelementptr ([40 x i32]* @Array, i64 0, i64 0), i64 %X
ret i32* %A
; CHECK: @test15
; CHECK: getelementptr [40 x i32]* @Array, i64 0, i64 %X
}
define i32* @test16(i32* %X, i32 %Idx) {
%R = getelementptr i32* %X, i32 %Idx
ret i32* %R
; CHECK: @test16
; CHECK: sext i32 %Idx to i64
}
define i1 @test17(i16* %P, i32 %I, i32 %J) {
%X = getelementptr inbounds i16* %P, i32 %I
%Y = getelementptr inbounds i16* %P, i32 %J
%C = icmp ult i16* %X, %Y
ret i1 %C
; CHECK: @test17
; CHECK: %C = icmp slt i32 %I, %J
}
define i1 @test18(i16* %P, i32 %I) {
%X = getelementptr inbounds i16* %P, i32 %I
%C = icmp ult i16* %X, %P
ret i1 %C
; CHECK: @test18
; CHECK: %C = icmp slt i32 %I, 0
}
define i32 @test19(i32* %P, i32 %A, i32 %B) {
%tmp.4 = getelementptr inbounds i32* %P, i32 %A
%tmp.9 = getelementptr inbounds i32* %P, i32 %B
%tmp.10 = icmp eq i32* %tmp.4, %tmp.9
%tmp.11 = zext i1 %tmp.10 to i32
ret i32 %tmp.11
; CHECK: @test19
; CHECK: icmp eq i32 %A, %B
}
define i32 @test20(i32* %P, i32 %A, i32 %B) {
%tmp.4 = getelementptr inbounds i32* %P, i32 %A
%tmp.6 = icmp eq i32* %tmp.4, %P
%tmp.7 = zext i1 %tmp.6 to i32
ret i32 %tmp.7
; CHECK: @test20
; CHECK: icmp eq i32 %A, 0
}

11
test/Transforms/InstCombine/getelementptr_cast.ll
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@ -1,11 +0,0 @@
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
; RUN: notcast {} {getelementptr.*}
@G = external global [3 x i8] ; <[3 x i8]*> [#uses=1]
define i8* @foo(i32 %Idx) {
%gep.upgrd.1 = zext i32 %Idx to i64 ; <i64> [#uses=1]
%tmp = getelementptr i8* getelementptr ([3 x i8]* @G, i32 0, i32 0), i64 %gep.upgrd.1 ; <i8*> [#uses=1]
ret i8* %tmp
}

15
test/Transforms/InstCombine/getelementptr_const.ll
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@ -1,15 +0,0 @@
; Test folding of constantexpr geps into normal geps.
; RUN: llvm-as < %s | opt -instcombine -gvn -instcombine | \
; RUN: llvm-dis | not grep getelementptr
@Array = external global [40 x i32] ; <[40 x i32]*> [#uses=2]
define i32 @test(i64 %X) {
%A = getelementptr i32* getelementptr ([40 x i32]* @Array, i64 0, i64 0), i64 %X ; <i32*> [#uses=1]
%B = getelementptr [40 x i32]* @Array, i64 0, i64 %X ; <i32*> [#uses=1]
%a = ptrtoint i32* %A to i32 ; <i32> [#uses=1]
%b = ptrtoint i32* %B to i32 ; <i32> [#uses=1]
%c = sub i32 %a, %b ; <i32> [#uses=1]
ret i32 %c
}

9
test/Transforms/InstCombine/getelementptr_index.ll
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@ -1,9 +0,0 @@
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep trunc
target datalayout = "e-p:32:32"
define i32* @test(i32* %X, i64 %Idx) {
%R = getelementptr i32* %X, i64 %Idx ; <i32*> [#uses=1]
ret i32* %R
}

58
test/Transforms/InstCombine/getelementptr_promote.ll
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@ -1,58 +0,0 @@
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep getelementptr | grep {, i64}
; Instcombine should promote the getelementptr index up to the target's
; pointer size, making the conversion explicit, which helps expose it to
; other optimizations.
target datalayout = "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"
target triple = "x86_64-apple-darwin8"
define i64 @test(i64* %first, i32 %count) nounwind {
entry:
%first_addr = alloca i64* ; <i64**> [#uses=2]
%count_addr = alloca i32 ; <i32*> [#uses=2]
%retval = alloca i64 ; <i64*> [#uses=2]
%n = alloca i32 ; <i32*> [#uses=5]
%result = alloca i64 ; <i64*> [#uses=4]
%0 = alloca i64 ; <i64*> [#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store i64* %first, i64** %first_addr
store i32 %count, i32* %count_addr
store i64 0, i64* %result, align 8
store i32 0, i32* %n, align 4
br label %bb1
bb: ; preds = %bb1
%1 = load i64** %first_addr, align 8 ; <i64*> [#uses=1]
%2 = load i32* %n, align 4 ; <i32> [#uses=1]
%3 = bitcast i32 %2 to i32 ; <i64> [#uses=1]
%4 = getelementptr i64* %1, i32 %3 ; <i64*> [#uses=1]
%5 = load i64* %4, align 8 ; <i64> [#uses=1]
%6 = lshr i64 %5, 4 ; <i64> [#uses=1]
%7 = load i64* %result, align 8 ; <i64> [#uses=1]
%8 = add i64 %6, %7 ; <i64> [#uses=1]
store i64 %8, i64* %result, align 8
%9 = load i32* %n, align 4 ; <i32> [#uses=1]
%10 = add i32 %9, 1 ; <i32> [#uses=1]
store i32 %10, i32* %n, align 4
br label %bb1
bb1: ; preds = %bb, %entry
%11 = load i32* %n, align 4 ; <i32> [#uses=1]
%12 = load i32* %count_addr, align 4 ; <i32> [#uses=1]
%13 = icmp slt i32 %11, %12 ; <i1> [#uses=1]
%14 = zext i1 %13 to i8 ; <i8> [#uses=1]
%toBool = icmp ne i8 %14, 0 ; <i1> [#uses=1]
br i1 %toBool, label %bb, label %bb2
bb2: ; preds = %bb1
%15 = load i64* %result, align 8 ; <i64> [#uses=1]
store i64 %15, i64* %0, align 8
%16 = load i64* %0, align 8 ; <i64> [#uses=1]
store i64 %16, i64* %retval, align 8
br label %return
return: ; preds = %bb2
%retval3 = load i64* %retval ; <i64> [#uses=1]
ret i64 %retval3
}