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authorChris Lattner <sabre@nondot.org>2009-08-30 20:48:15 +0000
committerChris Lattner <sabre@nondot.org>2009-08-30 20:48:15 +0000
commite30f0b7d892d49038a45a263457aec58d25ca67c (patch)
tree1253ea0f3f6c5f1dbfb4d027e1f22a9ee59897d9 /test
parent2de2319124a74b2afff8a0cb1a272dc00b98e273 (diff)
convert to filecheck
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80510 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/Transforms/InstCombine/getelementptr.ll69
1 files changed, 44 insertions, 25 deletions
diff --git a/test/Transforms/InstCombine/getelementptr.ll b/test/Transforms/InstCombine/getelementptr.ll
index c2cb720803..833f6a8ed5 100644
--- a/test/Transforms/InstCombine/getelementptr.ll
+++ b/test/Transforms/InstCombine/getelementptr.ll
@@ -1,69 +1,84 @@
-; The %A getelementptr instruction should be eliminated here
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | FileCheck %s
-; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
-; RUN: grep -v %B | not grep getelementptr
-; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep foo1
-; END.
-
-@Global = constant [10 x i8] c"helloworld" ; <[10 x i8]*> [#uses=1]
+%pair = type { i32, i32 }
+@Global = constant [10 x i8] c"helloworld"
; Test noop elimination
-define i32* @foo1(i32* %I) {
- %A = getelementptr i32* %I, i64 0 ; <i32*> [#uses=1]
+define i32* @test1(i32* %I) {
+ %A = getelementptr i32* %I, i64 0
ret i32* %A
+; CHECK: @test1
+; CHECK: ret i32* %I
}
; Test noop elimination
-define i32* @foo2(i32* %I) {
- %A = getelementptr i32* %I ; <i32*> [#uses=1]
+define i32* @test2(i32* %I) {
+ %A = getelementptr i32* %I
ret i32* %A
+; CHECK: @test2
+; CHECK: ret i32* %I
}
; Test that two array indexing geps fold
-define i32* @foo3(i32* %I) {
- %A = getelementptr i32* %I, i64 17 ; <i32*> [#uses=1]
- %B = getelementptr i32* %A, i64 4 ; <i32*> [#uses=1]
+define i32* @test3(i32* %I) {
+ %A = getelementptr i32* %I, i64 17
+ %B = getelementptr i32* %A, i64 4
ret i32* %B
+; CHECK: @test3
+; CHECK: getelementptr i32* %I, i64 21
}
; Test that two getelementptr insts fold
-define i32* @foo4({ i32 }* %I) {
- %A = getelementptr { i32 }* %I, i64 1 ; <{ i32 }*> [#uses=1]
- %B = getelementptr { i32 }* %A, i64 0, i32 0 ; <i32*> [#uses=1]
+define i32* @test4({ i32 }* %I) {
+ %A = getelementptr { i32 }* %I, i64 1
+ %B = getelementptr { i32 }* %A, i64 0, i32 0
ret i32* %B
+; CHECK: @test4
+; CHECK: getelementptr %0* %I, i64 1, i32 0
}
-define void @foo5(i8 %B) {
+define void @test5(i8 %B) {
; This should be turned into a constexpr instead of being an instruction
- %A = getelementptr [10 x i8]* @Global, i64 0, i64 4 ; <i8*> [#uses=1]
+ %A = getelementptr [10 x i8]* @Global, i64 0, i64 4
store i8 %B, i8* %A
ret void
+; CHECK: @test5
+; CHECK: store i8 %B, i8* getelementptr inbounds ([10 x i8]* @Global, i64 0, i64 4)
}
-define i32* @foo6() {
- %M = malloc [4 x i32] ; <[4 x i32]*> [#uses=1]
- %A = getelementptr [4 x i32]* %M, i64 0, i64 0 ; <i32*> [#uses=1]
- %B = getelementptr i32* %A, i64 2 ; <i32*> [#uses=1]
+define i32* @test6() {
+ %M = malloc [4 x i32]
+ %A = getelementptr [4 x i32]* %M, i64 0, i64 0
+ %B = getelementptr i32* %A, i64 2
ret i32* %B
+; CHECK: @test6
+; CHECK: getelementptr [4 x i32]* %M, i64 0, i64 2
}
-define i32* @foo7(i32* %I, i64 %C, i64 %D) {
+define i32* @test7(i32* %I, i64 %C, i64 %D) {
%A = getelementptr i32* %I, i64 %C ; <i32*> [#uses=1]
%B = getelementptr i32* %A, i64 %D ; <i32*> [#uses=1]
ret i32* %B
+; CHECK: @test7
+; CHECK: %A.sum = add i64 %C, %D
+; CHECK: getelementptr i32* %I, i64 %A.sum
}
-define i8* @foo8([10 x i32]* %X) {
+define i8* @test8([10 x i32]* %X) {
;; Fold into the cast.
%A = getelementptr [10 x i32]* %X, i64 0, i64 0 ; <i32*> [#uses=1]
%B = bitcast i32* %A to i8* ; <i8*> [#uses=1]
ret i8* %B
+; CHECK: @test8
+; CHECK: bitcast [10 x i32]* %X to i8*
}
define i32 @test9() {
%A = getelementptr { i32, double }* null, i32 0, i32 1 ; <double*> [#uses=1]
%B = ptrtoint double* %A to i32 ; <i32> [#uses=1]
ret i32 %B
+; CHECK: @test9
+; CHECK: ret i32 8
}
define i1 @test10({ i32, i32 }* %x, { i32, i32 }* %y) {
@@ -72,10 +87,14 @@ define i1 @test10({ i32, i32 }* %x, { i32, i32 }* %y) {
;; seteq x, y
%tmp.4 = icmp eq i32* %tmp.1, %tmp.3 ; <i1> [#uses=1]
ret i1 %tmp.4
+; CHECK: @test10
+; CHECK: icmp eq %pair* %x, %y
}
define i1 @test11({ i32, i32 }* %X) {
%P = getelementptr { i32, i32 }* %X, i32 0, i32 0 ; <i32*> [#uses=1]
%Q = icmp eq i32* %P, null ; <i1> [#uses=1]
ret i1 %Q
+; CHECK: @test11
+; CHECK: icmp eq %pair* %X, null
}