forked from OSchip/llvm-project
27 lines
990 B
LLVM
27 lines
990 B
LLVM
; RUN: llc -verify-machineinstrs < %s -march=ppc32 -mtriple=powerpc-apple-darwin8 | \
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; RUN: grep cntlz
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define i32 @foo() nounwind {
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entry:
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%retval = alloca i32, align 4 ; <i32*> [#uses=2]
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%temp = alloca i32, align 4 ; <i32*> [#uses=2]
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%ctz_x = alloca i32, align 4 ; <i32*> [#uses=3]
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%ctz_c = alloca i32, align 4 ; <i32*> [#uses=2]
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store i32 61440, i32* %ctz_x
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%tmp = load i32, i32* %ctz_x ; <i32> [#uses=1]
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%tmp1 = sub i32 0, %tmp ; <i32> [#uses=1]
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%tmp2 = load i32, i32* %ctz_x ; <i32> [#uses=1]
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%tmp3 = and i32 %tmp1, %tmp2 ; <i32> [#uses=1]
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%tmp4 = call i32 asm "$(cntlz$|cntlzw$) $0,$1", "=r,r,~{dirflag},~{fpsr},~{flags}"( i32 %tmp3 ) ; <i32> [#uses=1]
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store i32 %tmp4, i32* %ctz_c
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%tmp5 = load i32, i32* %ctz_c ; <i32> [#uses=1]
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store i32 %tmp5, i32* %temp
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%tmp6 = load i32, i32* %temp ; <i32> [#uses=1]
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store i32 %tmp6, i32* %retval
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br label %return
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return: ; preds = %entry
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%retval2 = load i32, i32* %retval ; <i32> [#uses=1]
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ret i32 %retval2
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}
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