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| author | Renato Golin <renato.golin@linaro.org> | 2014-09-09 09:57:59 +0000 |
|---|---|---|
| committer | Renato Golin <renato.golin@linaro.org> | 2014-09-09 09:57:59 +0000 |
| commit | 63e27980da2ef1c0c4c0eaecb3baef494b7fbce4 (patch) | |
| tree | c2b4ecb0cc043e45584abab0e7936f91884e4562 /llvm/test/CodeGen/ARM/negative-offset.ll | |
| parent | 37aeb2d7c2060c073768e504cdbcd992b2cd136b (diff) | |
| download | bcm5719-llvm-63e27980da2ef1c0c4c0eaecb3baef494b7fbce4.tar.gz bcm5719-llvm-63e27980da2ef1c0c4c0eaecb3baef494b7fbce4.zip | |
ARM: Negative offset support problem
This patch is to permit a negative offset usage for a non frame access.
Patch by Igor Oblakov.
llvm-svn: 217431
Diffstat (limited to 'llvm/test/CodeGen/ARM/negative-offset.ll')
| -rw-r--r-- | llvm/test/CodeGen/ARM/negative-offset.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/negative-offset.ll b/llvm/test/CodeGen/ARM/negative-offset.ll new file mode 100644 index 00000000000..7b949fd71fe --- /dev/null +++ b/llvm/test/CodeGen/ARM/negative-offset.ll @@ -0,0 +1,17 @@ +; RUN: llc -mtriple=arm-eabi -O3 %s -o - | FileCheck %s + +; Function Attrs: nounwind readonly +define arm_aapcscc i32 @sum(i32* nocapture readonly %p) #0 { +entry: +;CHECK-LABEL: sum: +;CHECK-NOT: sub +;CHECK: ldr r{{.*}}, [r0, #-16] +;CHECK: ldr r{{.*}}, [r0, #-8] + %arrayidx = getelementptr inbounds i32* %p, i32 -4 + %0 = load i32* %arrayidx, align 4 + %arrayidx1 = getelementptr inbounds i32* %p, i32 -2 + %1 = load i32* %arrayidx1, align 4 + %add = add nsw i32 %1, %0 + ret i32 %add +} + |
