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24 lines
607 B
LLVM
24 lines
607 B
LLVM
; RUN: llc < %s -march=thumb -mcpu=arm1156t2-s -mattr=+thumb2 | FileCheck %s
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; If-conversion defeats the purpose of this test, which is to check CBZ
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; generation, so use memory barrier instruction to make sure it doesn't
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; happen and we get actual branches.
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define i32 @t1(i32 %a, i32 %b, i32 %c) {
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; CHECK-LABEL: t1:
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; CHECK: cbz
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%tmp2 = icmp eq i32 %a, 0
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br i1 %tmp2, label %cond_false, label %cond_true
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cond_true:
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fence seq_cst
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%tmp5 = add i32 %b, 1
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%tmp6 = and i32 %tmp5, %c
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ret i32 %tmp6
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cond_false:
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fence seq_cst
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%tmp7 = add i32 %b, -1
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%tmp8 = xor i32 %tmp7, %c
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ret i32 %tmp8
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}
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