113 lines
4.8 KiB
LLVM
113 lines
4.8 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 -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,TUNIT
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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,CGSCC
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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%union.u = type { x86_fp80 }
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%struct.s = type { double, i16, i8, [5 x i8] }
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@b = internal global %struct.s { double 3.14, i16 9439, i8 25, [5 x i8] undef }, align 16
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%struct.Foo = type { i32, i64 }
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@a = internal global %struct.Foo { i32 1, i64 2 }, align 8
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;.
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; CHECK: @[[B:[a-zA-Z0-9_$"\\.-]+]] = internal global [[STRUCT_S:%.*]] { double 3.140000e+00, i16 9439, i8 25, [5 x i8] undef }, align 16
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; CHECK: @[[A:[a-zA-Z0-9_$"\\.-]+]] = internal global [[STRUCT_FOO:%.*]] { i32 1, i64 2 }, align 8
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;.
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define void @run() {
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;
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; TUNIT: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
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; TUNIT-LABEL: define {{[^@]+}}@run
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; TUNIT-SAME: () #[[ATTR0:[0-9]+]] {
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; TUNIT-NEXT: entry:
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; TUNIT-NEXT: unreachable
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;
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; CGSCC: Function Attrs: nofree nosync nounwind willreturn memory(none)
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; CGSCC-LABEL: define {{[^@]+}}@run
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; CGSCC-SAME: () #[[ATTR0:[0-9]+]] {
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; CGSCC-NEXT: entry:
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; CGSCC-NEXT: unreachable
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;
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entry:
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tail call i8 @UseLongDoubleUnsafely(%union.u* byval(%union.u) align 16 bitcast (%struct.s* @b to %union.u*))
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tail call x86_fp80 @UseLongDoubleSafely(%union.u* byval(%union.u) align 16 bitcast (%struct.s* @b to %union.u*))
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call i64 @AccessPaddingOfStruct(%struct.Foo* byval(%struct.Foo) @a)
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call i64 @CaptureAStruct(%struct.Foo* byval(%struct.Foo) @a)
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ret void
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}
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define internal i8 @UseLongDoubleUnsafely(%union.u* byval(%union.u) align 16 %arg) {
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; CGSCC: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
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; CGSCC-LABEL: define {{[^@]+}}@UseLongDoubleUnsafely
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; CGSCC-SAME: () #[[ATTR1:[0-9]+]] {
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; CGSCC-NEXT: entry:
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; CGSCC-NEXT: ret i8 undef
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;
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entry:
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%bitcast = bitcast %union.u* %arg to %struct.s*
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%gep = getelementptr inbounds %struct.s, %struct.s* %bitcast, i64 0, i32 2
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%result = load i8, i8* %gep
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ret i8 %result
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}
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define internal x86_fp80 @UseLongDoubleSafely(%union.u* byval(%union.u) align 16 %arg) {
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; CGSCC: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
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; CGSCC-LABEL: define {{[^@]+}}@UseLongDoubleSafely
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; CGSCC-SAME: () #[[ATTR1]] {
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; CGSCC-NEXT: ret x86_fp80 undef
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;
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%gep = getelementptr inbounds %union.u, %union.u* %arg, i64 0, i32 0
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%fp80 = load x86_fp80, x86_fp80* %gep
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ret x86_fp80 %fp80
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}
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define internal i64 @AccessPaddingOfStruct(%struct.Foo* byval(%struct.Foo) %a) {
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; CGSCC: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
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; CGSCC-LABEL: define {{[^@]+}}@AccessPaddingOfStruct
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; CGSCC-SAME: () #[[ATTR1]] {
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; CGSCC-NEXT: ret i64 undef
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;
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%p = bitcast %struct.Foo* %a to i64*
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%v = load i64, i64* %p
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ret i64 %v
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}
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define internal i64 @CaptureAStruct(%struct.Foo* byval(%struct.Foo) %a) {
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; CGSCC: Function Attrs: nofree norecurse noreturn nosync nounwind memory(none)
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; CGSCC-LABEL: define {{[^@]+}}@CaptureAStruct
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; CGSCC-SAME: (i32 [[TMP0:%.*]], i64 [[TMP1:%.*]]) #[[ATTR2:[0-9]+]] {
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; CGSCC-NEXT: entry:
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; CGSCC-NEXT: [[A_PRIV:%.*]] = alloca [[STRUCT_FOO:%.*]], align 8
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; CGSCC-NEXT: [[A_PRIV_CAST:%.*]] = bitcast %struct.Foo* [[A_PRIV]] to i32*
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; CGSCC-NEXT: store i32 [[TMP0]], i32* [[A_PRIV_CAST]], align 4
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; CGSCC-NEXT: [[A_PRIV_0_1:%.*]] = getelementptr [[STRUCT_FOO]], %struct.Foo* [[A_PRIV]], i64 0, i32 1
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; CGSCC-NEXT: store i64 [[TMP1]], i64* [[A_PRIV_0_1]], align 8
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; CGSCC-NEXT: [[A_PTR:%.*]] = alloca %struct.Foo*, align 8
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; CGSCC-NEXT: br label [[LOOP:%.*]]
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; CGSCC: loop:
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; CGSCC-NEXT: [[PHI:%.*]] = phi %struct.Foo* [ null, [[ENTRY:%.*]] ], [ [[A_PRIV]], [[LOOP]] ]
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; CGSCC-NEXT: [[TMP2:%.*]] = phi %struct.Foo* [ [[A_PRIV]], [[ENTRY]] ], [ [[TMP2]], [[LOOP]] ]
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; CGSCC-NEXT: br label [[LOOP]]
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;
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entry:
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%a_ptr = alloca %struct.Foo*
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br label %loop
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loop:
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%phi = phi %struct.Foo* [ null, %entry ], [ %gep, %loop ]
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%0 = phi %struct.Foo* [ %a, %entry ], [ %0, %loop ]
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store %struct.Foo* %phi, %struct.Foo** %a_ptr
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%gep = getelementptr %struct.Foo, %struct.Foo* %a, i64 0
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br label %loop
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}
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;.
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; TUNIT: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind willreturn memory(none) }
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;.
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; CGSCC: attributes #[[ATTR0]] = { nofree nosync nounwind willreturn memory(none) }
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; CGSCC: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind willreturn memory(none) }
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; CGSCC: attributes #[[ATTR2]] = { nofree norecurse noreturn nosync nounwind memory(none) }
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;.
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