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author | Evan Cheng <evan.cheng@apple.com> | 2009-05-29 01:44:43 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2009-05-29 01:44:43 +0000 |
commit | cb219f0ef632ce74e613164ff65836c4ee7ef285 (patch) | |
tree | 4f77b4ef86f0b8fe32dd548595c055954c777cf6 /test | |
parent | d3c76bb6fc3c066286850e91b8bf03484ea2a56e (diff) | |
download | llvm-cb219f0ef632ce74e613164ff65836c4ee7ef285.tar.gz llvm-cb219f0ef632ce74e613164ff65836c4ee7ef285.tar.bz2 llvm-cb219f0ef632ce74e613164ff65836c4ee7ef285.tar.xz |
More h-registers tricks: folding zext nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72558 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r-- | test/CodeGen/X86/h-registers-3.ll | 12 | ||||
-rw-r--r-- | test/CodeGen/X86/remat-mov0.ll | 40 |
2 files changed, 52 insertions, 0 deletions
diff --git a/test/CodeGen/X86/h-registers-3.ll b/test/CodeGen/X86/h-registers-3.ll new file mode 100644 index 0000000000..d353a22337 --- /dev/null +++ b/test/CodeGen/X86/h-registers-3.ll @@ -0,0 +1,12 @@ +; RUN: llvm-as < %s | llc -march=x86 | grep mov | count 1 +; RUN: llvm-as < %s | llc -march=x86-64 | grep mov | count 1 + +define zeroext i8 @foo() nounwind ssp { +entry: + %0 = tail call zeroext i16 (...)* @bar() nounwind + %1 = lshr i16 %0, 8 + %2 = trunc i16 %1 to i8 + ret i8 %2 +} + +declare zeroext i16 @bar(...) diff --git a/test/CodeGen/X86/remat-mov0.ll b/test/CodeGen/X86/remat-mov0.ll new file mode 100644 index 0000000000..360628cb6a --- /dev/null +++ b/test/CodeGen/X86/remat-mov0.ll @@ -0,0 +1,40 @@ +; RUN: llvm-as < %s | llc -march=x86 | grep xor | count 2 + + %struct.FILE = type { i8*, i32, i32, i16, i16, %struct.__sbuf, i32, i8*, i32 (i8*)*, i32 (i8*, i8*, i32)*, i64 (i8*, i64, i32)*, i32 (i8*, i8*, i32)*, %struct.__sbuf, %struct.__sFILEX*, i32, [3 x i8], [1 x i8], %struct.__sbuf, i32, i64 } + %struct.ImgT = type { i8, i8*, i8*, %struct.FILE*, i32, i32, i32, i32, i8*, double*, float*, float*, float*, i32*, double, double, i32*, double*, i32*, i32* } + %struct._CompT = type { i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, i8, %struct._PixT*, %struct._CompT*, i8, %struct._CompT* } + %struct._PixT = type { i32, i32, %struct._PixT* } + %struct.__sFILEX = type opaque + %struct.__sbuf = type { i8*, i32 } + +declare fastcc void @MergeComponents(%struct._CompT*, %struct._CompT*, %struct._CompT*, %struct._CompT**, %struct.ImgT*) nounwind + +define fastcc void @MergeToLeft(%struct._CompT* %comp, %struct._CompT** %head, %struct.ImgT* %img) nounwind { +entry: + br label %bb208 + +bb105: ; preds = %bb200 + br i1 false, label %bb197, label %bb149 + +bb149: ; preds = %bb105 + %tmp151 = getelementptr %struct._CompT* %comp, i32 0, i32 0 ; <i32*> [#uses=1] + br label %bb193 + +bb193: ; preds = %bb184, %bb149 + %tmp196 = load i32* %tmp151, align 4 ; <i32> [#uses=1] + br label %bb197 + +bb197: ; preds = %bb193, %bb105 + %last_comp.0 = phi i32 [ %tmp196, %bb193 ], [ 0, %bb105 ] ; <i32> [#uses=0] + %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1] + br label %bb200 + +bb200: ; preds = %bb208, %bb197 + %indvar = phi i32 [ 0, %bb208 ], [ %indvar.next, %bb197 ] ; <i32> [#uses=2] + %xm.0 = sub i32 %indvar, 0 ; <i32> [#uses=1] + %tmp202 = icmp slt i32 %xm.0, 1 ; <i1> [#uses=1] + br i1 %tmp202, label %bb105, label %bb208 + +bb208: ; preds = %bb200, %entry + br label %bb200 +} |