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Take #2. Don't piggyback on the existing config.build_mode. Instead, define a new lit feature for each build feature we need (currently just "asserts"). Teach both autoconf'd and cmake'd Makefiles to define this feature within test/lit.site.cfg. This doesn't require any lit harness changes and should be more robust across build systems. llvm-svn: 133664
19 lines
459 B
LLVM
19 lines
459 B
LLVM
; RUN: llc < %s -march=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: movb %{{.*}}, %al
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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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