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19 lines
464 B
LLVM
19 lines
464 B
LLVM
; RUN: llc < %s -mtriple=x86_64-- -stress-sched | FileCheck %s
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; REQUIRES: asserts
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; Test interference between physreg aliases during preRAsched.
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; mul wants an operand in AL, but call clobbers it.
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define i8 @f(i8 %v1, i8 %v2) nounwind {
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entry:
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; CHECK: callq
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; CHECK: movl %{{.*}}, %eax
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; CHECK: mulb
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; CHECK: mulb
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%rval = tail call i8 @bar() nounwind
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%m1 = mul i8 %v1, %v2
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%m2 = mul i8 %m1, %rval
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ret i8 %m2
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}
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declare i8 @bar()
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