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| author | Evan Cheng <evan.cheng@apple.com> | 2008-10-24 02:05:00 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-10-24 02:05:00 +0000 |
| commit | 06587497dc1c39516f24784a2ac1d9323faae0a5 (patch) | |
| tree | 4755a8c6388a501143365e291d7815da8dfdbe73 /test/CodeGen/X86/pre-split3.ll | |
| parent | c9f3cc3bdaf1ec134dec1f718e7f2e735b34b17b (diff) | |
| download | external_llvm-06587497dc1c39516f24784a2ac1d9323faae0a5.zip external_llvm-06587497dc1c39516f24784a2ac1d9323faae0a5.tar.gz external_llvm-06587497dc1c39516f24784a2ac1d9323faae0a5.tar.bz2 | |
Avoid splitting an interval multiple times; avoid splitting re-materializable val# (for now).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58068 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/pre-split3.ll')
| -rw-r--r-- | test/CodeGen/X86/pre-split3.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pre-split3.ll b/test/CodeGen/X86/pre-split3.ll new file mode 100644 index 0000000..e762784 --- /dev/null +++ b/test/CodeGen/X86/pre-split3.ll @@ -0,0 +1,26 @@ +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 -pre-alloc-split -stats |& \ +; RUN: grep {pre-alloc-split} | grep {Number of intervals split} | grep 2 + +define i32 @t(i32 %arg) { +entry: + br label %bb6 + +.noexc6: ; preds = %bb6 + %0 = and i32 %2, -8 ; <i32> [#uses=1] + tail call void @llvm.memmove.i32(i8* %3, i8* null, i32 %0, i32 1) nounwind + store double %1, double* null, align 8 + br label %bb6 + +bb6: ; preds = %.noexc6, %entry + %1 = uitofp i32 %arg to double ; <double> [#uses=1] + %2 = sub i32 0, 0 ; <i32> [#uses=1] + %3 = invoke i8* @_Znwm(i32 0) + to label %.noexc6 unwind label %lpad32 ; <i8*> [#uses=1] + +lpad32: ; preds = %bb6 + unreachable +} + +declare void @llvm.memmove.i32(i8*, i8*, i32, i32) nounwind + +declare i8* @_Znwm(i32) |