llvm-6502/test/CodeGen/Mips/swzero.ll
Akira Hatanaka c7541c49a9 Fix bug in zero-store peephole pattern reported in pr11615.
The patch and test case were originally written by Mans Rullgard.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147024 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-21 00:31:10 +00:00

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405 B
LLVM

; RUN: llc -march=mipsel < %s | FileCheck %s
%struct.unaligned = type <{ i32 }>
define void @zero_u(%struct.unaligned* nocapture %p) nounwind {
entry:
; CHECK: usw $zero
%x = getelementptr inbounds %struct.unaligned* %p, i32 0, i32 0
store i32 0, i32* %x, align 1
ret void
}
define void @zero_a(i32* nocapture %p) nounwind {
entry:
; CHECK: sw $zero
store i32 0, i32* %p, align 4
ret void
}