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68 lines
1.5 KiB
LLVM
68 lines
1.5 KiB
LLVM
; RUN: llc < %s -march=x86 | FileCheck %s -check-prefix=X32
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; RUN: llc < %s -march=x86-64 | FileCheck %s -check-prefix=X64
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; rdar://7367229
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define i32 @t(i32 %a, i32 %b) nounwind ssp {
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entry:
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; X32: t:
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; X32: xorb
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; X32-NOT: andb
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; X32-NOT: shrb
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; X32: testb $64
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; X32: jne
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; X64: t:
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; X64-NOT: setne
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; X64: xorl
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; X64: testb $64
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; X64: jne
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%0 = and i32 %a, 16384
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%1 = icmp ne i32 %0, 0
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%2 = and i32 %b, 16384
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%3 = icmp ne i32 %2, 0
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%4 = xor i1 %1, %3
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br i1 %4, label %bb1, label %bb
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bb: ; preds = %entry
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%5 = tail call i32 (...)* @foo() nounwind ; <i32> [#uses=1]
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ret i32 %5
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bb1: ; preds = %entry
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%6 = tail call i32 (...)* @bar() nounwind ; <i32> [#uses=1]
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ret i32 %6
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}
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declare i32 @foo(...)
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declare i32 @bar(...)
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define i32 @t2(i32 %x, i32 %y) nounwind ssp {
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; X32: t2:
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; X32: cmpl
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; X32: sete
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; X32: cmpl
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; X32: sete
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; X32-NOT: xor
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; X32: jne
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; X64: t2:
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; X64: testl
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; X64: sete
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; X64: testl
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; X64: sete
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; X64-NOT: xor
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; X64: jne
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entry:
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%0 = icmp eq i32 %x, 0 ; <i1> [#uses=1]
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%1 = icmp eq i32 %y, 0 ; <i1> [#uses=1]
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%2 = xor i1 %1, %0 ; <i1> [#uses=1]
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br i1 %2, label %bb, label %return
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bb: ; preds = %entry
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%3 = tail call i32 (...)* @foo() nounwind ; <i32> [#uses=0]
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ret i32 undef
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return: ; preds = %entry
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ret i32 undef
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}
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