8136a0172b
Reland877a9f9abesince D138654 (parent) has been fixed with9ebaf4fef4and with8f1e11c5a7. Differential Revision: https://reviews.llvm.org/D126455
49 lines
1.1 KiB
LLVM
49 lines
1.1 KiB
LLVM
; RUN: opt -passes=ipsccp -specialize-functions -func-specialization-size-threshold=3 -S < %s | FileCheck %s
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; Checks for callsites that have been annotated with MinSize. We only expect
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; specialisation for the call that does not have the attribute:
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;
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; CHECK: plus:
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; CHECK: %tmp0 = call i64 @compute.1(i64 %x, ptr @plus)
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; CHECK: br label %merge
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; CHECK: minus:
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; CHECK: %tmp1 = call i64 @compute(i64 %x, ptr @minus) #0
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; CHECK: br label %merge
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;
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define i64 @main(i64 %x, i1 %flag) {
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entry:
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br i1 %flag, label %plus, label %minus
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plus:
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%tmp0 = call i64 @compute(i64 %x, ptr @plus)
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br label %merge
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minus:
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%tmp1 = call i64 @compute(i64 %x, ptr @minus) #0
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br label %merge
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merge:
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%tmp2 = phi i64 [ %tmp0, %plus ], [ %tmp1, %minus]
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ret i64 %tmp2
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}
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define internal i64 @compute(i64 %x, ptr %binop) {
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entry:
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%tmp0 = call i64 %binop(i64 %x)
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ret i64 %tmp0
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}
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define internal i64 @plus(i64 %x) {
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entry:
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%tmp0 = add i64 %x, 1
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ret i64 %tmp0
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}
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define internal i64 @minus(i64 %x) {
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entry:
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%tmp0 = sub i64 %x, 1
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ret i64 %tmp0
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}
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attributes #0 = { minsize optsize }
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