186 lines
6 KiB
LLVM
186 lines
6 KiB
LLVM
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; 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-annotate-decl-cs -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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declare void @unknown() nocallback
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define i32 @many_writes_nosycn(i1 %c0, i1 %c1, i1 %c2) nosync {
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; CHECK: Function Attrs: norecurse nosync
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; CHECK-LABEL: define {{[^@]+}}@many_writes_nosycn
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; CHECK-SAME: (i1 [[C0:%.*]], i1 [[C1:%.*]], i1 [[C2:%.*]]) #[[ATTR1:[0-9]+]] {
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; CHECK-NEXT: [[P:%.*]] = alloca i32, align 4
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: br i1 [[C0]], label [[T0:%.*]], label [[F0:%.*]]
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; CHECK: t0:
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: br i1 [[C1]], label [[T1:%.*]], label [[M1:%.*]]
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; CHECK: f0:
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: br i1 [[C2]], label [[F1:%.*]], label [[M1]]
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; CHECK: t1:
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: store i32 7, ptr [[P]], align 4
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; CHECK-NEXT: br label [[M2:%.*]]
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; CHECK: f1:
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: store i32 9, ptr [[P]], align 4
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; CHECK-NEXT: br label [[M2]]
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; CHECK: m1:
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: store i32 11, ptr [[P]], align 4
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; CHECK-NEXT: br label [[M2]]
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; CHECK: m2:
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: [[L:%.*]] = load i32, ptr [[P]], align 4
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; CHECK-NEXT: ret i32 [[L]]
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;
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%p = alloca i32
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store i32 0, ptr %p
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call void @unknown()
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store i32 1, ptr %p
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br i1 %c0, label %t0, label %f0
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t0:
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store i32 2, ptr %p
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call void @unknown()
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store i32 3, ptr %p
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br i1 %c1, label %t1, label %m1
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f0:
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store i32 4, ptr %p
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call void @unknown()
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store i32 5, ptr %p
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br i1 %c2, label %f1, label %m1
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t1:
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store i32 6, ptr %p
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call void @unknown()
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store i32 7, ptr %p
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br label %m2
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f1:
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store i32 8, ptr %p
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call void @unknown()
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store i32 9, ptr %p
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br label %m2
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m1:
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store i32 10, ptr %p
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call void @unknown()
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store i32 11, ptr %p
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br label %m2
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m2:
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call void @unknown()
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%l = load i32, ptr %p
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ret i32 %l
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}
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define i32 @many_writes(i1 %c0, i1 %c1, i1 %c2) {
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; CHECK: Function Attrs: norecurse
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; CHECK-LABEL: define {{[^@]+}}@many_writes
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; CHECK-SAME: (i1 [[C0:%.*]], i1 [[C1:%.*]], i1 [[C2:%.*]]) #[[ATTR2:[0-9]+]] {
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; CHECK-NEXT: [[P:%.*]] = alloca i32, align 4
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: br i1 [[C0]], label [[T0:%.*]], label [[F0:%.*]]
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; CHECK: t0:
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: br i1 [[C1]], label [[T1:%.*]], label [[M1:%.*]]
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; CHECK: f0:
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: br i1 [[C2]], label [[F1:%.*]], label [[M1]]
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; CHECK: t1:
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: store i32 7, ptr [[P]], align 4
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; CHECK-NEXT: br label [[M2:%.*]]
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; CHECK: f1:
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: store i32 9, ptr [[P]], align 4
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; CHECK-NEXT: br label [[M2]]
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; CHECK: m1:
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: store i32 11, ptr [[P]], align 4
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; CHECK-NEXT: br label [[M2]]
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; CHECK: m2:
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: [[L:%.*]] = load i32, ptr [[P]], align 4
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; CHECK-NEXT: ret i32 [[L]]
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;
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%p = alloca i32
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store i32 0, ptr %p
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call void @unknown()
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store i32 1, ptr %p
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br i1 %c0, label %t0, label %f0
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t0:
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store i32 2, ptr %p
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call void @unknown()
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store i32 3, ptr %p
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br i1 %c1, label %t1, label %m1
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f0:
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store i32 4, ptr %p
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call void @unknown()
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store i32 5, ptr %p
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br i1 %c2, label %f1, label %m1
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t1:
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store i32 6, ptr %p
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call void @unknown()
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store i32 7, ptr %p
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br label %m2
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f1:
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store i32 8, ptr %p
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call void @unknown()
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store i32 9, ptr %p
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br label %m2
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m1:
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store i32 10, ptr %p
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call void @unknown()
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store i32 11, ptr %p
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br label %m2
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m2:
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call void @unknown()
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%l = load i32, ptr %p
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ret i32 %l
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}
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declare void @usei32(i32) nocallback
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; Ensure we use 42, not undef, for %l in the usei32 call and %r in the return.
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define internal i32 @remote_write_and_read(ptr %p) norecurse {
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; TUNIT: Function Attrs: norecurse
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; TUNIT-LABEL: define {{[^@]+}}@remote_write_and_read
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; TUNIT-SAME: (ptr noalias nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[P:%.*]]) #[[ATTR2]] {
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; TUNIT-NEXT: call void @usei32(i32 noundef 42)
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; TUNIT-NEXT: ret i32 undef
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;
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; CGSCC: Function Attrs: norecurse
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; CGSCC-LABEL: define {{[^@]+}}@remote_write_and_read
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; CGSCC-SAME: (ptr noalias nocapture nofree noundef nonnull align 4 dereferenceable(4) [[P:%.*]]) #[[ATTR2]] {
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; CGSCC-NEXT: store i32 42, ptr [[P]], align 4
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; CGSCC-NEXT: [[L:%.*]] = load i32, ptr [[P]], align 4
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; CGSCC-NEXT: call void @usei32(i32 [[L]])
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; CGSCC-NEXT: ret i32 [[L]]
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;
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store i32 42, ptr %p
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%l = load i32, ptr %p
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call void @usei32(i32 %l)
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ret i32 %l
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}
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define i32 @local_stack_remote_write_and_read() norecurse {
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; TUNIT: Function Attrs: norecurse
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; TUNIT-LABEL: define {{[^@]+}}@local_stack_remote_write_and_read
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; TUNIT-SAME: () #[[ATTR2]] {
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; TUNIT-NEXT: [[A:%.*]] = alloca i32, align 4
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; TUNIT-NEXT: [[R:%.*]] = call i32 @remote_write_and_read(ptr noalias nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[A]])
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; TUNIT-NEXT: ret i32 42
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;
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; CGSCC: Function Attrs: norecurse
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; CGSCC-LABEL: define {{[^@]+}}@local_stack_remote_write_and_read
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; CGSCC-SAME: () #[[ATTR2]] {
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; CGSCC-NEXT: [[A:%.*]] = alloca i32, align 4
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; CGSCC-NEXT: [[R:%.*]] = call i32 @remote_write_and_read(ptr noalias nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A]])
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; CGSCC-NEXT: ret i32 [[R]]
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;
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%a = alloca i32
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%r = call i32 @remote_write_and_read(ptr %a)
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ret i32 %r
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}
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;.
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; CHECK: attributes #[[ATTR0:[0-9]+]] = { nocallback }
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; CHECK: attributes #[[ATTR1]] = { norecurse nosync }
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; CHECK: attributes #[[ATTR2]] = { norecurse }
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;.
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