37 lines
948 B
LLVM
37 lines
948 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -passes=dse -stats -S 2>&1 | FileCheck %s
|
|
|
|
; REQUIRES: asserts
|
|
|
|
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
|
|
|
|
|
define void @test2(ptr noalias %P, ptr noalias %C, i1 %c) {
|
|
; CHECK-LABEL: @test2(
|
|
; CHECK-NEXT: br i1 [[C:%.*]], label [[BB1:%.*]], label [[BB2:%.*]]
|
|
; CHECK: bb1:
|
|
; CHECK-NEXT: store i32 3, ptr [[C:%.*]]
|
|
; CHECK-NEXT: br label [[BB3:%.*]]
|
|
; CHECK: bb2:
|
|
; CHECK-NEXT: store i32 4, ptr [[C]]
|
|
; CHECK-NEXT: br label [[BB3]]
|
|
; CHECK: bb3:
|
|
; CHECK-NEXT: store i32 0, ptr [[P:%.*]]
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
store i32 1, ptr %P
|
|
br i1 %c, label %bb1, label %bb2
|
|
bb1:
|
|
store i32 3, ptr %C
|
|
br label %bb3
|
|
bb2:
|
|
store i32 4, ptr %C
|
|
br label %bb3
|
|
bb3:
|
|
store i32 0, ptr %P
|
|
ret void
|
|
}
|
|
|
|
; CHECK: 1 dse - Number of stores deleted
|
|
; CHECK: 3 dse - Number of stores remaining after DSE
|