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The Mips specific inline asm operand modifier 'z' has the

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following description in the gnu sources:

    Print $0 if operand is zero otherwise print the op normally.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159324 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jack Carter
2012-06-28 01:33:40 +00:00
parent e441394784
commit 7c3cd4d24e
2 changed files with 25 additions and 1 deletions
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test/CodeGen/Mips/inlineasm-operand-code.ll
+12
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@@ -29,5 +29,17 @@ entry:
;CHECK: #NO_APP
tail call i32 asm sideeffect "addi $0,$1,${2:m}", "=r,r,I"(i32 7, i32 -3) nounwind
; z with -3
;CHECK: #APP
;CHECK: addi ${{[0-9]+}},${{[0-9]+}},-3
;CHECK: #NO_APP
tail call i32 asm sideeffect "addi $0,$1,${2:z}", "=r,r,I"(i32 7, i32 -3) nounwind
; z with 0
;CHECK: #APP
;CHECK: addi ${{[0-9]+}},${{[0-9]+}},$0
;CHECK: #NO_APP
tail call i32 asm sideeffect "addi $0,$1,${2:z}", "=r,r,I"(i32 7, i32 0) nounwind
ret i32 0
}