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| author | Stepan Dyatkovskiy <stpworld@narod.ru> | 2012-10-19 08:23:06 +0000 |
|---|---|---|
| committer | Stepan Dyatkovskiy <stpworld@narod.ru> | 2012-10-19 08:23:06 +0000 |
| commit | 0d3c8d5d16caa4c4f1310699722aa2cbe2844f21 (patch) | |
| tree | d35a659c6de5b07f62962164e8729fd55f5ac7aa /test/CodeGen/ARM | |
| parent | 0d7d11d57f81d2318a730d7599bbdaa67a721150 (diff) | |
ARM:
Removed extra stack frame object for fixed byval arguments,
VarArgsStyleRegisters invocation was reworked due to some improper usage in
past. PR14099 also demonstrates it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166273 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/ARM')
| -rw-r--r-- | test/CodeGen/ARM/2012-10-18-PR14099-ByvalFrameAddress.ll | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/2012-10-18-PR14099-ByvalFrameAddress.ll b/test/CodeGen/ARM/2012-10-18-PR14099-ByvalFrameAddress.ll new file mode 100644 index 0000000000..fcc6a7f7e9 --- /dev/null +++ b/test/CodeGen/ARM/2012-10-18-PR14099-ByvalFrameAddress.ll @@ -0,0 +1,29 @@ +; RUN: llc < %s -mtriple=armv7-linux-gnueabi | FileCheck %s + +%struct.s = type { [4 x i32] } +@v = constant %struct.s zeroinitializer; + +declare void @f(%struct.s* %p); + +; CHECK: t: +define void @t(i32 %a, %struct.s* byval %s) nounwind { +entry: + +; Here we need to only check proper start address of restored %s argument. +; CHECK: sub sp, sp, #16 +; CHECK: push {r11, lr} +; CHECK: add r0, sp, #12 +; CHECK: stm r0, {r1, r2, r3} +; CHECK: add r0, sp, #12 +; CHECK-NEXT: bl f + call void @f(%struct.s* %s) + ret void +} + +; CHECK: caller: +define void @caller() { + +; CHECK: ldm r0, {r1, r2, r3} + call void @t(i32 0, %struct.s* @v); + ret void +} |