; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -mtriple=x86_64-unknown-unknown -passes=mergeicmps -verify-dom-info -S | FileCheck %s --check-prefix=X86
%S = type { i32, i32, i32, i32, i32}
define zeroext i1 @opeq1(
; X86-LABEL: @opeq1(
; X86-NEXT: "entry+land.rhs.i+land.rhs.i.2+land.rhs.i.3":
; X86-NEXT: [[PTR:%.*]] = alloca i32, align 4
; X86-NEXT: store i32 42, ptr [[PTR]], align 4
; X86-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(ptr [[A:%.*]], ptr [[B:%.*]], i64 16)
; X86-NEXT: [[TMP2:%.*]] = icmp eq i32 [[MEMCMP]], 0
; X86-NEXT: br label [[OPEQ1_EXIT:%.*]]
; X86: opeq1.exit:
; X86-NEXT: ret i1 [[TMP2]]
;
ptr nocapture readonly dereferenceable(16) %a,
ptr nocapture readonly dereferenceable(16) %b) local_unnamed_addr nofree nosync {
entry:
%ptr = alloca i32
%0 = load i32, ptr %a, align 4
%1 = load i32, ptr %b, align 4
; Does other work, has no interference, merge block
store i32 42, ptr %ptr
%cmp.i = icmp eq i32 %0, %1
br i1 %cmp.i, label %land.rhs.i, label %opeq1.exit
land.rhs.i:
%second.i = getelementptr inbounds %S, ptr %a, i64 0, i32 1
%2 = load i32, ptr %second.i, align 4
%second2.i = getelementptr inbounds %S, ptr %b, i64 0, i32 1
%3 = load i32, ptr %second2.i, align 4
%cmp2.i = icmp eq i32 %2, %3
br i1 %cmp2.i, label %land.rhs.i.2, label %opeq1.exit
land.rhs.i.2:
%third.i = getelementptr inbounds %S, ptr %a, i64 0, i32 2
%4 = load i32, ptr %third.i, align 4
%third2.i = getelementptr inbounds %S, ptr %b, i64 0, i32 2
%5 = load i32, ptr %third2.i, align 4
%cmp3.i = icmp eq i32 %4, %5
br i1 %cmp3.i, label %land.rhs.i.3, label %opeq1.exit
land.rhs.i.3:
%fourth.i = getelementptr inbounds %S, ptr %a, i64 0, i32 3
%6 = load i32, ptr %fourth.i, align 4
%fourth2.i = getelementptr inbounds %S, ptr %b, i64 0, i32 3
%7 = load i32, ptr %fourth2.i, align 4
%cmp4.i = icmp eq i32 %6, %7
br label %opeq1.exit
opeq1.exit:
%8 = phi i1 [ false, %entry ], [ false, %land.rhs.i] , [ false, %land.rhs.i.2 ], [ %cmp4.i, %land.rhs.i.3 ]
ret i1 %8
}
define zeroext i1 @part_sequent_eq_with_metadata() {
; X86-LABEL: @part_sequent_eq_with_metadata(
; X86-NEXT: bb01:
; X86-NEXT: [[A:%.*]] = alloca [[S:%.*]], align 8
; X86-NEXT: [[B:%.*]] = alloca [[S]], align 8
; X86-NEXT: [[TMP0:%.*]] = load i32, ptr [[A]], align 4, !range [[RNG0:![0-9]+]], !noundef !1
; X86-NEXT: [[TMP1:%.*]] = load i32, ptr [[B]], align 4, !range [[RNG0]], !noundef !1
; X86-NEXT: [[TMP2:%.*]] = icmp eq i32 [[TMP0]], [[TMP1]]
; X86-NEXT: br i1 [[TMP2]], label %"bb1+bb2+bb3", label [[EXIT:%.*]]
; X86: "bb1+bb2+bb3":
; X86-NEXT: [[TMP3:%.*]] = getelementptr inbounds [[S]], ptr [[A]], i64 0, i32 2
; X86-NEXT: [[TMP4:%.*]] = getelementptr inbounds [[S]], ptr [[B]], i64 0, i32 2
; X86-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(ptr [[TMP3]], ptr [[TMP4]], i64 12)
; X86-NEXT: [[TMP5:%.*]] = icmp eq i32 [[MEMCMP]], 0
; X86-NEXT: br label [[EXIT]]
; X86: exit:
; X86-NEXT: [[RET:%.*]] = phi i1 [ [[TMP5]], %"bb1+bb2+bb3" ], [ false, [[BB01:%.*]] ]
; X86-NEXT: ret i1 [[RET]]
;
bb0:
%a = alloca %S, align 8
%b = alloca %S, align 8
%value0 = load i32, ptr %a, align 4, !range !0, !noundef !1
%value1 = load i32, ptr %b, align 4, !range !0, !noundef !1
%cmp.i = icmp eq i32 %value0, %value1
br i1 %cmp.i, label %bb1, label %exit
bb1:
%second.i = getelementptr inbounds %S, ptr %a, i64 0, i32 2
%value2 = load i32, ptr %second.i, align 4
%second2.i = getelementptr inbounds %S, ptr %b, i64 0, i32 2
%value3 = load i32, ptr %second2.i, align 4
%cmp2.i = icmp eq i32 %value2, %value3
br i1 %cmp2.i, label %bb2, label %exit
bb2:
%third.i = getelementptr inbounds %S, ptr %a, i64 0, i32 3
%value4 = load i32, ptr %third.i, align 4
%third2.i = getelementptr inbounds %S, ptr %b, i64 0, i32 3
%value5 = load i32, ptr %third2.i, align 4
%cmp3.i = icmp eq i32 %value4, %value5
br i1 %cmp3.i, label %bb3, label %exit
bb3:
%fourth.i = getelementptr inbounds %S, ptr %a, i64 0, i32 4
%value6 = load i32, ptr %fourth.i, align 4
%fourth2.i = getelementptr inbounds %S, ptr %b, i64 0, i32 4
%value7 = load i32, ptr %fourth2.i, align 4
%cmp4.i = icmp eq i32 %value6, %value7
br label %exit
exit:
%ret = phi i1 [ false, %bb0 ], [ false, %bb1] , [ false, %bb2] ,[ %cmp4.i, %bb3 ]
ret i1 %ret
}
!0 = !{i32 0, i32 2}
!1 = !{}