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| author | Chandler Carruth <chandlerc@gmail.com> | 2012-01-05 11:05:47 +0000 |
|---|---|---|
| committer | Chandler Carruth <chandlerc@gmail.com> | 2012-01-05 11:05:47 +0000 |
| commit | 6bc151f5d4202e26d344e483b46d235711ffefd7 (patch) | |
| tree | 829a1d30de6964bdacd1a77672581fb566dff853 | |
| parent | 29b0737452c0ffcf129d972d6bd574d1156b89d7 (diff) | |
| download | bcm5719-llvm-6bc151f5d4202e26d344e483b46d235711ffefd7.tar.gz bcm5719-llvm-6bc151f5d4202e26d344e483b46d235711ffefd7.zip | |
Cleanup and FileCheck-ize a test.
llvm-svn: 147603
| -rw-r--r-- | llvm/test/CodeGen/X86/shift-folding.ll | 58 |
1 files changed, 40 insertions, 18 deletions
diff --git a/llvm/test/CodeGen/X86/shift-folding.ll b/llvm/test/CodeGen/X86/shift-folding.ll index d9c3061ff68..7eac116e020 100644 --- a/llvm/test/CodeGen/X86/shift-folding.ll +++ b/llvm/test/CodeGen/X86/shift-folding.ll @@ -1,27 +1,49 @@ -; RUN: llc < %s -march=x86 | \ -; RUN: grep {s\[ah\]\[rl\]l} | count 1 - -define i32* @test1(i32* %P, i32 %X) nounwind { - %Y = lshr i32 %X, 2 ; <i32> [#uses=1] - %gep.upgrd.1 = zext i32 %Y to i64 ; <i64> [#uses=1] - %P2 = getelementptr i32* %P, i64 %gep.upgrd.1 ; <i32*> [#uses=1] - ret i32* %P2 +; RUN: llc < %s -march=x86 | FileCheck %s + +define i32* @test1(i32* %P, i32 %X) { +; CHECK: test1: +; CHECK-NOT: shrl +; CHECK-NOT: shll +; CHECK: ret + +entry: + %Y = lshr i32 %X, 2 + %gep.upgrd.1 = zext i32 %Y to i64 + %P2 = getelementptr i32* %P, i64 %gep.upgrd.1 + ret i32* %P2 } -define i32* @test2(i32* %P, i32 %X) nounwind { - %Y = shl i32 %X, 2 ; <i32> [#uses=1] - %gep.upgrd.2 = zext i32 %Y to i64 ; <i64> [#uses=1] - %P2 = getelementptr i32* %P, i64 %gep.upgrd.2 ; <i32*> [#uses=1] - ret i32* %P2 +define i32* @test2(i32* %P, i32 %X) { +; CHECK: test2: +; CHECK: shll $4 +; CHECK-NOT: shll +; CHECK: ret + +entry: + %Y = shl i32 %X, 2 + %gep.upgrd.2 = zext i32 %Y to i64 + %P2 = getelementptr i32* %P, i64 %gep.upgrd.2 + ret i32* %P2 } -define i32* @test3(i32* %P, i32 %X) nounwind { - %Y = ashr i32 %X, 2 ; <i32> [#uses=1] - %P2 = getelementptr i32* %P, i32 %Y ; <i32*> [#uses=1] - ret i32* %P2 +define i32* @test3(i32* %P, i32 %X) { +; CHECK: test3: +; CHECK-NOT: shrl +; CHECK-NOT: shll +; CHECK: ret + +entry: + %Y = ashr i32 %X, 2 + %P2 = getelementptr i32* %P, i32 %Y + ret i32* %P2 } -define fastcc i32 @test4(i32* %d) nounwind { +define fastcc i32 @test4(i32* %d) { +; CHECK: test4: +; CHECK-NOT: shrl +; CHECK: ret + +entry: %tmp4 = load i32* %d %tmp512 = lshr i32 %tmp4, 24 ret i32 %tmp512 |
