forked from OSchip/llvm-project
59 lines
1.5 KiB
LLVM
59 lines
1.5 KiB
LLVM
; RUN: opt -S --passes=function-specialization,deadargelim -force-function-specialization < %s | FileCheck %s
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define dso_local i32 @add(i32 %x, i32 %y) {
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entry:
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%add = add nsw i32 %y, %x
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ret i32 %add
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}
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define dso_local i32 @sub(i32 %x, i32 %y) {
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entry:
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%sub = sub nsw i32 %x, %y
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ret i32 %sub
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}
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define internal i32 @f(i32 %x, i32 %y, ptr %u, ptr %v) noinline {
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entry:
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%call = tail call i32 %u(i32 %x, i32 %y)
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%call1 = tail call i32 %v(i32 %x, i32 %y)
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%mul = mul nsw i32 %call1, %call
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ret i32 %mul
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}
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define dso_local i32 @g0(i32 %x, i32 %y) {
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; CHECK-LABEL: @g0
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; CHECK: call i32 @f.2(i32 [[X:%.*]], i32 [[Y:%.*]])
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entry:
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%call = tail call i32 @f(i32 %x, i32 %y, ptr @add, ptr @add)
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ret i32 %call
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}
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define dso_local i32 @g1(i32 %x, i32 %y) {
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; CHECK-LABEL: @g1(
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; CHECK: call i32 @f.1(i32 [[X:%.*]], i32 [[Y:%.*]])
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entry:
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%call = tail call i32 @f(i32 %x, i32 %y, ptr @sub, ptr @add)
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ret i32 %call
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}
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define dso_local i32 @g2(i32 %x, i32 %y, ptr %v) {
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; CHECK-LABEL @g2
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; CHECK call i32 @f.3(i32 [[X:%.*]], i32 [[Y:%.*]], ptr [[V:%.*]])
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entry:
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%call = tail call i32 @f(i32 %x, i32 %y, ptr @sub, ptr %v)
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ret i32 %call
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}
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; CHECK-LABEL: define {{.*}} i32 @f.1
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; CHECK: call i32 @sub(i32 %x, i32 %y)
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; CHECK-NEXT: call i32 @add(i32 %x, i32 %y)
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; CHECK-LABEL: define {{.*}} i32 @f.2
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; CHECK: call i32 @add(i32 %x, i32 %y)
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; CHECK-NEXT call i32 @add(i32 %x, i32 %y)
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; CHECK-LABEL: define {{.*}} i32 @f.3
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; CHECK: call i32 @sub(i32 %x, i32 %y)
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; CHECK-NEXT: call i32 %v(i32 %x, i32 %y)
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