forked from OSchip/llvm-project
23 lines
418 B
LLVM
23 lines
418 B
LLVM
; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
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define i64 @f1(i64 %a, i64 %b) {
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entry:
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; CHECK: f1:
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; CHECK: subs r0, r0, r2
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; CHECK: sbcs r1, r3
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%tmp = sub i64 %a, %b
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ret i64 %tmp
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}
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define i64 @f2(i64 %a, i64 %b) {
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entry:
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; CHECK: f2:
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; CHECK: adds r0, r0, r0
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; CHECK: adcs r1, r1
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; CHECK: subs r0, r0, r2
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; CHECK: sbcs r1, r3
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%tmp1 = shl i64 %a, 1
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%tmp2 = sub i64 %tmp1, %b
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ret i64 %tmp2
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}
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