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| author | Lang Hames <lhames@gmail.com> | 2012-02-02 05:37:34 +0000 |
|---|---|---|
| committer | Lang Hames <lhames@gmail.com> | 2012-02-02 05:37:34 +0000 |
| commit | 3a20bc36522ff1fbff82a34bc6bd63075c9179f9 (patch) | |
| tree | 0b6db49834f6b56d57eb8d40010e9490b05f6bed /llvm/test/CodeGen/Generic | |
| parent | 3da212585e8ce23753d93e3c30daeb6ba5114a51 (diff) | |
| download | bcm5719-llvm-3a20bc36522ff1fbff82a34bc6bd63075c9179f9.tar.gz bcm5719-llvm-3a20bc36522ff1fbff82a34bc6bd63075c9179f9.zip | |
PR11868. The previous loop in LiveIntervals::join would sometimes fall over if
more than two adjacent ranges needed to be merged. The new version should be
able to handle an arbitrary sequence of adjancent ranges.
llvm-svn: 149588
Diffstat (limited to 'llvm/test/CodeGen/Generic')
| -rw-r--r-- | llvm/test/CodeGen/Generic/2012-02-01-CoalescerBug.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Generic/2012-02-01-CoalescerBug.ll b/llvm/test/CodeGen/Generic/2012-02-01-CoalescerBug.ll new file mode 100644 index 00000000000..6c7aaad7c69 --- /dev/null +++ b/llvm/test/CodeGen/Generic/2012-02-01-CoalescerBug.ll @@ -0,0 +1,26 @@ +; RUN: llc -verify-coalescing < %s +; PR11868 + +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:64:128-a0:0:64-n32-S64" +target triple = "armv7-none-linux-gnueabi" + +%0 = type { <4 x float> } +%1 = type { <4 x float> } + +@foo = external global %0, align 16 + +define arm_aapcs_vfpcc void @bar(float, i1 zeroext, i1 zeroext) nounwind { + %4 = load <4 x float>* getelementptr inbounds (%0* @foo, i32 0, i32 0), align 16 + %5 = extractelement <4 x float> %4, i32 0 + %6 = extractelement <4 x float> %4, i32 1 + %7 = extractelement <4 x float> %4, i32 2 + %8 = insertelement <4 x float> undef, float %5, i32 0 + %9 = insertelement <4 x float> %8, float %6, i32 1 + %10 = insertelement <4 x float> %9, float %7, i32 2 + %11 = insertelement <4 x float> %10, float 0.000000e+00, i32 3 + store <4 x float> %11, <4 x float>* undef, align 16 + call arm_aapcs_vfpcc void @baz(%1* undef, float 0.000000e+00) nounwind + ret void +} + +declare arm_aapcs_vfpcc void @baz(%1*, float) |
