67 lines
2 KiB
LLVM
67 lines
2 KiB
LLVM
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; RUN: opt -S --passes=ipsccp,deadargelim -funcspec-for-literal-constant --force-specialization < %s | FileCheck %s
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; Test that all of `f0`, `f1`, and `f2` are specialised, even though `f0` has its address taken
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; and `f1` is with external linkage (`f2` was specialised anyway).
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@p = global ptr @f0
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; `f0` is kept even though all apparent calls are specialized
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; CHECK-LABEL: define internal i32 @f0(
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define internal i32 @f0(i32 %i) {
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%v = add i32 %i, 1
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ret i32 %v
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}
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; Likewise, `f1` is kept, because of the external linkage
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; CHECK-LABEL: define i32 @f1(
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define i32 @f1(i32 %i) {
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%v = add i32 %i, 1
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ret i32 %v
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}
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; `f2` is fully specialised.
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; CHECK-NOT: defined internal i32 @f2()
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define internal i32 @f2(i32 %i) {
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%v = add i32 %i, 1
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ret i32 %v
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}
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;; All calls are to specilisation instances.
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; CHECK-LABEL: define i32 @g0
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; CHECK: call void @f0.specialized.[[#A:]]()
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; CHECK-NEXT: call void @f1.specialized.[[#B:]]()
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; CHECK-NEXT: call void @f2.specialized.[[#C:]]()
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; CHECK-NEXT: ret i32 9
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define i32 @g0(i32 %i) {
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%u0 = call i32 @f0(i32 1)
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%u1 = call i32 @f1(i32 2)
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%u2 = call i32 @f2(i32 3)
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%v0 = add i32 %u0, %u1
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%v = add i32 %v0, %u2
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ret i32 %v
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}
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; CHECK-LABEL: define i32 @g1
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; CHECK: call void @f0.specialized.[[#D:]]()
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; CHECK-NEXT: call void @f1.specialized.[[#E:]]()
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; CHECK-NEXT: call void @f2.specialized.[[#F:]]()
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; CHECK-NEXT: ret i32 12
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define i32 @g1(i32 %i) {
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%u0 = call i32 @f0(i32 2)
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%u1 = call i32 @f1(i32 3)
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%u2 = call i32 @f2(i32 4)
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%v0 = add i32 %u0, %u1
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%v = add i32 %v0, %u2
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ret i32 %v
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}
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; All of the function are specialized and all clones are with internal linkage.
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; CHECK-DAG: define internal void @f0.specialized.[[#A]]() {
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; CHECK-DAG: define internal void @f1.specialized.[[#B]]() {
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; CHECK-DAG: define internal void @f2.specialized.[[#C]]() {
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; CHECK-DAG: define internal void @f0.specialized.[[#D]]() {
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; CHECK-DAG: define internal void @f1.specialized.[[#E]]() {
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; CHECK-DAG: define internal void @f2.specialized.[[#F]]() {
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