llvm-project/llvm/test/CodeGen/Thumb/2009-06-18-ThumbCommuteMul.ll

; RUN: llc -mtriple=thumb-eabi %s -o - | FileCheck %s

define i32 @a(i32 %x, i32 %y) nounwind readnone {
entry:
	%mul = mul i32 %y, %x		; <i32> [#uses=1]
	ret i32 %mul
}

; CHECK: r0
ARM: yet another round of ARM test clean ups llvm-svn: 205586 2014-04-04 07:47:24 +08:00			`; RUN: llc -mtriple=thumb-eabi %s -o - \| FileCheck %s`
Mark a few Thumb instructions commutable; just happened to spot this while experimenting. I'm reasonably sure this is correct, but please tell me if these instructions have some strange property which makes this change unsafe. llvm-svn: 73746 2009-06-19 09:43:08 +08:00
			`define i32 @a(i32 %x, i32 %y) nounwind readnone {`
			`entry:`
			`%mul = mul i32 %y, %x ; <i32> [#uses=1]`
			`ret i32 %mul`
			`}`

ARM: yet another round of ARM test clean ups llvm-svn: 205586 2014-04-04 07:47:24 +08:00			`; CHECK: r0`