forked from OSchip/llvm-project
64 lines
3.5 KiB
LLVM
64 lines
3.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
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; RUN: opt -attributor -enable-new-pm=0 -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM
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; RUN: opt -attributor-cgscc -enable-new-pm=0 -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_NPM,IS__CGSCC____,IS________OPM,IS__CGSCC_OPM
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM
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; PR2498
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; This test tries to convince CHECK about promoting the load from %A + 2,
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; because there is a load of %A in the entry block
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define internal i32 @callee(i1 %C, i32* %A) {
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;
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; CHECK: Function Attrs: argmemonly nofree norecurse nosync nounwind readonly willreturn
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; CHECK-LABEL: define {{[^@]+}}@callee
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; CHECK-SAME: (i32* nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[A:%.*]]) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[A_0:%.*]] = load i32, i32* [[A]], align 4
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; CHECK-NEXT: br label [[F:%.*]]
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; CHECK: T:
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; CHECK-NEXT: unreachable
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; CHECK: F:
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; CHECK-NEXT: [[A_2:%.*]] = getelementptr i32, i32* [[A]], i32 2
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; CHECK-NEXT: [[R:%.*]] = load i32, i32* [[A_2]], align 4
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; CHECK-NEXT: ret i32 [[R]]
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;
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entry:
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; Unconditonally load the element at %A
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%A.0 = load i32, i32* %A
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br i1 %C, label %T, label %F
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T:
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ret i32 %A.0
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F:
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; Load the element at offset two from %A. This should not be promoted!
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%A.2 = getelementptr i32, i32* %A, i32 2
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%R = load i32, i32* %A.2
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ret i32 %R
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}
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define i32 @foo(i32* %A) {
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; IS__TUNIT____: Function Attrs: argmemonly nofree norecurse nosync nounwind readonly willreturn
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; IS__TUNIT____-LABEL: define {{[^@]+}}@foo
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; IS__TUNIT____-SAME: (i32* nocapture nofree readonly [[A:%.*]]) #[[ATTR0]] {
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; IS__TUNIT____-NEXT: [[X:%.*]] = call i32 @callee(i32* nocapture nofree readonly align 4 [[A]]) #[[ATTR1:[0-9]+]]
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; IS__TUNIT____-NEXT: ret i32 [[X]]
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;
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; IS__CGSCC____: Function Attrs: argmemonly nofree norecurse nosync nounwind readonly willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@foo
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; IS__CGSCC____-SAME: (i32* nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[A:%.*]]) #[[ATTR0]] {
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; IS__CGSCC____-NEXT: [[X:%.*]] = call i32 @callee(i32* nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[A]]) #[[ATTR1:[0-9]+]]
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; IS__CGSCC____-NEXT: ret i32 [[X]]
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;
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%X = call i32 @callee(i1 false, i32* %A) ; <i32> [#uses=1]
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ret i32 %X
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}
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;.
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; IS__TUNIT____: attributes #[[ATTR0]] = { argmemonly nofree norecurse nosync nounwind readonly willreturn }
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; IS__TUNIT____: attributes #[[ATTR1]] = { nofree nosync nounwind readonly willreturn }
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;.
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; IS__CGSCC____: attributes #[[ATTR0]] = { argmemonly nofree norecurse nosync nounwind readonly willreturn }
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; IS__CGSCC____: attributes #[[ATTR1]] = { nosync nounwind readonly willreturn }
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;.
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