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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

55 lines
1.7 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt < %s -passes=gvn,jump-threading -enable-scalar-pre -S | FileCheck %s --check-prefixes=CHECK,MDEP
; RUN: opt < %s -passes='gvn<memoryssa>',jump-threading -enable-scalar-pre -S | FileCheck %s --check-prefixes=CHECK,MSSA
@H = common global i32 0
@G = common global i32 0
define i32 @test(i1 %cond, i32 %v) nounwind {
; CHECK-LABEL: define i32 @test(
; CHECK-SAME: i1 [[COND:%.*]], i32 [[V:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: br i1 [[COND]], label %[[BB:.*]], label %[[MERGE:.*]]
; CHECK: [[BB]]:
; CHECK-NEXT: store i32 -1, ptr @G, align 4
; CHECK-NEXT: br label %[[MERGE]]
; CHECK: [[MERGE]]:
; CHECK-NEXT: [[ADD_2:%.*]] = add i32 [[V]], -1
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[ADD_2]], 0
; CHECK-NEXT: br i1 [[CMP]], label %[[ACTION:.*]], label %[[RETURN:.*]]
; CHECK: [[ACTION]]:
; CHECK-NEXT: store i32 [[ADD_2]], ptr @H, align 4
; CHECK-NEXT: br label %[[RETURN]]
; CHECK: [[RETURN]]:
; CHECK-NEXT: [[P:%.*]] = phi i32 [ 0, %[[MERGE]] ], [ 1, %[[ACTION]] ]
; CHECK-NEXT: ret i32 [[P]]
;
entry:
br i1 %cond, label %bb, label %bb1
bb:
%add.1 = add nuw nsw i32 %v, -1
store i32 %add.1, ptr @G, align 4
br label %merge
bb1:
br label %merge
merge:
%add.2 = add i32 %v, -1
%cmp = icmp sgt i32 %add.2, 0
br i1 %cmp, label %action, label %return
action:
store i32 %add.2, ptr @H, align 4
br label %return
return:
%p = phi i32 [0, %merge], [1, %action]
ret i32 %p
}
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; MDEP: {{.*}}
; MSSA: {{.*}}