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memory operands otherwise the writebacks get lost when the inline asm doesn't otherwise have side effects. This fixes rdar://6839427, though clang really shouldn't generate these anymore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70455 91177308-0d34-0410-b5e6-96231b3b80d8
23 lines
1.3 KiB
LLVM
23 lines
1.3 KiB
LLVM
; RUN: llvm-as < %s | llc | grep {movl.*%ebx, 8(%esi)}
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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target triple = "i386-apple-darwin9.0"
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define void @cpuid(i32* %data) nounwind {
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entry:
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%arrayidx = getelementptr i32* %data, i32 1 ; <i32*> [#uses=1]
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%arrayidx2 = getelementptr i32* %data, i32 2 ; <i32*> [#uses=1]
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%arrayidx4 = getelementptr i32* %data, i32 3 ; <i32*> [#uses=1]
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%arrayidx6 = getelementptr i32* %data, i32 4 ; <i32*> [#uses=1]
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%arrayidx8 = getelementptr i32* %data, i32 5 ; <i32*> [#uses=1]
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%tmp9 = load i32* %arrayidx8 ; <i32> [#uses=1]
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%arrayidx11 = getelementptr i32* %data, i32 6 ; <i32*> [#uses=1]
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%tmp12 = load i32* %arrayidx11 ; <i32> [#uses=1]
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%arrayidx14 = getelementptr i32* %data, i32 7 ; <i32*> [#uses=1]
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%tmp15 = load i32* %arrayidx14 ; <i32> [#uses=1]
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%arrayidx17 = getelementptr i32* %data, i32 8 ; <i32*> [#uses=1]
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%tmp18 = load i32* %arrayidx17 ; <i32> [#uses=1]
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%0 = call i32 asm "cpuid", "={ax},=*{bx},=*{cx},=*{dx},{ax},{bx},{cx},{dx},~{dirflag},~{fpsr},~{flags}"(i32* %arrayidx2, i32* %arrayidx4, i32* %arrayidx6, i32 %tmp9, i32 %tmp12, i32 %tmp15, i32 %tmp18) nounwind ; <i32> [#uses=1]
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store i32 %0, i32* %arrayidx
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ret void
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}
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