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| author | Chris Lattner <sabre@nondot.org> | 2009-08-30 22:08:19 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-08-30 22:08:19 +0000 |
| commit | 7025264addb5eed5af99ed8e6aaa022f80ef3fa4 (patch) | |
| tree | 511e00e703b96b41e14edbf4f6c68a3420810ae6 /test/Transforms | |
| parent | 251829ed87d0bfad51d8767be1378243691c129d (diff) | |
| download | external_llvm-7025264addb5eed5af99ed8e6aaa022f80ef3fa4.zip external_llvm-7025264addb5eed5af99ed8e6aaa022f80ef3fa4.tar.gz external_llvm-7025264addb5eed5af99ed8e6aaa022f80ef3fa4.tar.bz2 | |
convert scalar_promote to filecheck style and merge 2003-12-13-VolatilePromote.ll into it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80521 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/LICM/2003-12-13-VolatilePromote.ll | 16 | ||||
| -rw-r--r-- | test/Transforms/LICM/scalar_promote.ll | 52 |
2 files changed, 45 insertions, 23 deletions
diff --git a/test/Transforms/LICM/2003-12-13-VolatilePromote.ll b/test/Transforms/LICM/2003-12-13-VolatilePromote.ll deleted file mode 100644 index 85c93c6..0000000 --- a/test/Transforms/LICM/2003-12-13-VolatilePromote.ll +++ /dev/null @@ -1,16 +0,0 @@ -; RUN: llvm-as < %s | opt -licm | llvm-dis | %prcontext volatile 1 | grep Loop - -@X = global i32 7 ; <i32*> [#uses=2] - -define void @testfunc(i32 %i) { - br label %Loop -Loop: ; preds = %Loop, %0 - ; Should not promote this to a register - %x = volatile load i32* @X ; <i32> [#uses=1] - %x2 = add i32 %x, 1 ; <i32> [#uses=1] - store i32 %x2, i32* @X - br i1 true, label %Out, label %Loop -Out: ; preds = %Loop - ret void -} - diff --git a/test/Transforms/LICM/scalar_promote.ll b/test/Transforms/LICM/scalar_promote.ll index f6c0f08..8f00d03 100644 --- a/test/Transforms/LICM/scalar_promote.ll +++ b/test/Transforms/LICM/scalar_promote.ll @@ -1,13 +1,17 @@ -; RUN: llvm-as < %s | opt -licm -disable-output -stats |& \ -; RUN: grep {memory locations promoted to register} +; RUN: llvm-as < %s | opt -licm | llvm-dis | FileCheck %s @X = global i32 7 ; <i32*> [#uses=4] -define void @testfunc(i32 %i) { -; <label>:0 +define void @test1(i32 %i) { +Entry: br label %Loop +; CHECK: @test1 +; CHECK: Entry: +; CHECK-NEXT: load i32* @X +; CHECK-NEXT: br label %Loop + Loop: ; preds = %Loop, %0 - %j = phi i32 [ 0, %0 ], [ %Next, %Loop ] ; <i32> [#uses=1] + %j = phi i32 [ 0, %Entry ], [ %Next, %Loop ] ; <i32> [#uses=1] %x = load i32* @X ; <i32> [#uses=1] %x2 = add i32 %x, 1 ; <i32> [#uses=1] store i32 %x2, i32* @X @@ -15,12 +19,23 @@ Loop: ; preds = %Loop, %0 %cond = icmp eq i32 %Next, 0 ; <i1> [#uses=1] br i1 %cond, label %Out, label %Loop -Out: ; preds = %Loop +Out: ret void +; CHECK: Out: +; CHECK-NEXT: store i32 %x2, i32* @X +; CHECK-NEXT: ret void + } -define void @testhard(i32 %i) { +define void @test2(i32 %i) { +Entry: br label %Loop +; CHECK: @test2 +; CHECK: Entry: +; CHECK-NEXT: %X1 = getelementptr i32* @X, i64 0 +; CHECK-NEXT: %X2 = getelementptr i32* @X, i64 0 +; CHECK-NEXT: %X1.promoted = load i32* %X1 +; CHECK-NEXT: br label %Loop Loop: ; preds = %Loop, %0 %X1 = getelementptr i32* @X, i64 0 ; <i32*> [#uses=1] @@ -32,4 +47,27 @@ Loop: ; preds = %Loop, %0 Exit: ; preds = %Loop ret void +; CHECK: Exit: +; CHECK-NEXT: store i32 %V, i32* %X1 +; CHECK-NEXT: ret void } + + + +define void @test3(i32 %i) { +; CHECK: @test3 + br label %Loop +Loop: + ; Should not promote this to a register + %x = volatile load i32* @X + %x2 = add i32 %x, 1 + store i32 %x2, i32* @X + br i1 true, label %Out, label %Loop + +; CHECK: Loop: +; CHECK-NEXT: volatile load + +Out: ; preds = %Loop + ret void +} + |