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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=mergeicmps < %s | FileCheck %s
target triple = "x86_64-unknown-linux-gnu"
@c = external global i32, align 4
define i1 @d() {
; CHECK-LABEL: @d(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[G:%.*]] = alloca [8 x i64], align 16
; CHECK-NEXT: [[V1:%.*]] = load i64, ptr [[G]], align 8
; CHECK-NEXT: [[V2:%.*]] = load i64, ptr [[G]], align 8
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i64 [[V1]], [[V2]]
; CHECK-NEXT: br label [[SPLIT:%.*]]
; CHECK: split:
; CHECK-NEXT: [[X:%.*]] = load volatile i32, ptr @c, align 4
; CHECK-NEXT: br i1 [[CMP]], label [[IF:%.*]], label [[EXIT:%.*]]
; CHECK: if:
; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[X]], 0
; CHECK-NEXT: br label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: [[P:%.*]] = phi i1 [ false, [[SPLIT]] ], [ [[TOBOOL]], [[IF]] ]
; CHECK-NEXT: ret i1 [[P]]
;
entry:
%g = alloca [8 x i64], align 16
%v1 = load i64, ptr %g, align 8
%v2 = load i64, ptr %g, align 8
%cmp = icmp eq i64 %v1, %v2
br label %split
split:
%x = load volatile i32, ptr @c, align 4
br i1 %cmp, label %if, label %exit
if:
%tobool = icmp ne i32 %x, 0
br label %exit
exit:
%p = phi i1 [ false, %split ], [ %tobool, %if ]
ret i1 %p
}
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