20 lines
696 B
LLVM
20 lines
696 B
LLVM
; RUN: llc < %s -verify-regalloc
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; PR11125
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.7"
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; The inline asm takes %x as a GR32_ABCD virtual register.
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; The call to @g forces a spill of that register.
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;
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; The asm has a dead output tied to %x.
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; Verify that the spiller creates a value number for that dead def.
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;
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define void @f(i32 %x) nounwind uwtable ssp {
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entry:
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tail call void @g() nounwind
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%0 = tail call i32 asm sideeffect "foo $0", "=Q,0,~{ebx},~{dirflag},~{fpsr},~{flags}"(i32 %x) nounwind
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ret void
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}
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declare void @g()
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