68 lines
2.8 KiB
LLVM
68 lines
2.8 KiB
LLVM
; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=ifuncs --test FileCheck --test-arg --check-prefixes=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t.0
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; RUN: FileCheck --check-prefixes=CHECK-FINAL-IFUNCS,ALL --input-file=%t.0 %s
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; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=aliases,ifuncs --test FileCheck --test-arg --check-prefixes=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t.1
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; RUN: FileCheck --check-prefixes=CHECK-FINAL-BOTH,ALL --input-file=%t.1 %s
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; Check interaction of reductions between aliases and ifuncs
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; Test ifunc to alias
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; CHECK-INTERESTINGNESS: @ifunc0_kept =
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; ALL: [[TABLE:@[0-9]+]] = internal global [2 x ptr] poison
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; ALL: @llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 10, ptr [[CONSTRUCTOR:@[0-9]+]], ptr null }]
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; CHECK-FINAL-IFUNCS: @resolver_alias = alias ptr (), ptr @resolver
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; CHECK-FINAL-IFUNCS: @ifunc_alias = alias ptr (), ptr @resolver_alias
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; CHECK-FINAL-IFUNCS: @alias_of_ifunc = alias float (i64), ptr @ifunc_def
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; CHECK-FINAL-IFUNCS: @ifunc0_kept = ifunc float (i64), ptr @resolver_alias
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; CHECK-FINAL-IFUNCS: @ifunc_def = ifunc float (i64), ptr @resolver
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; CHECK-FINAL-BOTH-NOT: _alias
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; CHECK-FINAL-BOTH-NOT: @ifunc
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; CHECK-FINAL-BOTH: @ifunc0_kept = ifunc float (i64), ptr @resolver
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; CHECK-FINAL-BOTH-NOT: _alias
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; CHECK-FINAL-BOTH-NOT: @ifunc
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define ptr @resolver() {
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ret ptr inttoptr (i64 333 to ptr)
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}
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@resolver_alias = alias ptr (), ptr @resolver
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@ifunc_alias = alias ptr (), ptr @resolver_alias
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@ifunc0_kept = ifunc float (i64), ptr @resolver_alias
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@ifunc1_removed = ifunc float (i64), ptr @resolver_alias
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@ifunc_def = ifunc float (i64), ptr @resolver
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@alias_of_ifunc = alias float (i64), ptr @ifunc_def
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; ALL-LABEL: define float @call_ifunc_aliasee(i64 %arg) {
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; ALL: %1 = load ptr, ptr [[TABLE]], align 8
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; ALL: %call = call float %1(i64 %arg)
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; ALL: ret float %call
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define float @call_ifunc_aliasee(i64 %arg) {
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%call = call float @ifunc1_removed(i64 %arg)
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ret float %call
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}
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; ALL-LABEL: @call_alias_of_ifunc(
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; CHECK-FINAL-IFUNCS: call float @alias_of_ifunc(
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; CHECK-FINAL-BOTH-NEXT: %1 = load ptr, ptr getelementptr inbounds ([2 x ptr], ptr [[TABLE]], i32 0, i32 1), align 8
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; CHECK-FINAL-BOTH-NEXT: %call = call float %1(i64 %arg)
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; CHECK-FINAL-BOTH-NEXT: ret float %call
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define float @call_alias_of_ifunc(i64 %arg) {
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%call = call float @alias_of_ifunc(i64 %arg)
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ret float %call
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}
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; CHECK-FINAL-BOTH: define internal void [[CONSTRUCTOR]]() {
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; CHECK-FINAL-BOTH-NEXT: %1 = call ptr @resolver()
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; CHECK-FINAL-BOTH-NEXT: store ptr %1, ptr [[TABLE]], align 8
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; CHECK-FINAL-BOTH-NEXT: %2 = call ptr @resolver()
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; CHECK-FINAL-BOTH-NEXT: store ptr %2, ptr getelementptr inbounds ([2 x ptr], ptr [[TABLE]], i32 0, i32 1), align 8
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; CHECK-FINAL-BOTH-NEXT: ret void
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