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https://github.com/c64scene-ar/llvm-6502.git
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35 lines
695 B
LLVM
35 lines
695 B
LLVM
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; RUN: llc < %s -mtriple=arm-apple-darwin | FileCheck %s
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define i32 @f(i32 %a, i32 %b) nounwind ssp {
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entry:
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; CHECK: f:
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; CHECK: subs
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; CHECK-NOT: cmp
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%cmp = icmp sgt i32 %a, %b
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%sub = sub nsw i32 %a, %b
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%sub. = select i1 %cmp, i32 %sub, i32 0
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ret i32 %sub.
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}
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define i32 @g(i32 %a, i32 %b) nounwind ssp {
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entry:
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; CHECK: g:
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; CHECK: subs
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; CHECK-NOT: cmp
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%cmp = icmp slt i32 %a, %b
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%sub = sub nsw i32 %b, %a
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%sub. = select i1 %cmp, i32 %sub, i32 0
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ret i32 %sub.
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}
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define i32 @h(i32 %a, i32 %b) nounwind ssp {
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entry:
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; CHECK: h:
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; CHECK: subs
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; CHECK-NOT: cmp
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%cmp = icmp sgt i32 %a, 3
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%sub = sub nsw i32 %a, 3
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%sub. = select i1 %cmp, i32 %sub, i32 %b
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ret i32 %sub.
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}
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