llvm-project/llvm/test/Transforms/Attributor/IPConstantProp/global.ll

48 lines
1.8 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
; 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
; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC
@_ZL6test1g = internal global i32 42, align 4
;.
; CHECK: @[[_ZL6TEST1G:[a-zA-Z0-9_$"\\.-]+]] = internal global i32 42, align 4
;.
define void @_Z7test1f1v() nounwind {
; CHECK: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@_Z7test1f1v
; CHECK-SAME: () #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[IF_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: unreachable
; CHECK: if.end:
; CHECK-NEXT: ret void
;
entry:
%tmp = load i32, i32* @_ZL6test1g, align 4
%cmp = icmp eq i32 %tmp, 0
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
store i32 0, i32* @_ZL6test1g, align 4
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
define i32 @_Z7test1f2v() nounwind {
; CHECK: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@_Z7test1f2v
; CHECK-SAME: () #[[ATTR0]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: ret i32 42
;
entry:
%tmp = load i32, i32* @_ZL6test1g, align 4
ret i32 %tmp
}
;.
; CHECK: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind willreturn memory(none) }
;.