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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=mergeicmps -verify-dom-info -mtriple=x86_64-unknown-unknown -S | FileCheck %s --check-prefix=X863 4%S = type { i32, i32 }5 6; This tests a function with two complex basic blocks.7define zeroext i1 @twocomplexblocks(8; X86-LABEL: @twocomplexblocks(9; X86-NEXT: entry:10; X86-NEXT: [[TMP0:%.*]] = load i32, ptr [[A:%.*]], align 411; X86-NEXT: [[TMP1:%.*]] = load i32, ptr [[B:%.*]], align 412; X86-NEXT: [[EXTRAWORK:%.*]] = add i32 [[TMP0]], [[TMP1]]13; X86-NEXT: [[CMP_I:%.*]] = icmp eq i32 [[TMP0]], [[TMP1]]14; X86-NEXT: br i1 [[CMP_I]], label [[LAND_RHS_I:%.*]], label [[OPEQ1_EXIT:%.*]]15; X86: land.rhs.i:16; X86-NEXT: [[SECOND_I:%.*]] = getelementptr inbounds [[S:%.*]], ptr [[A]], i64 0, i32 117; X86-NEXT: [[TMP2:%.*]] = load i32, ptr [[SECOND_I]], align 418; X86-NEXT: [[SECOND2_I:%.*]] = getelementptr inbounds [[S]], ptr [[B]], i64 0, i32 119; X86-NEXT: [[TMP3:%.*]] = load i32, ptr [[SECOND2_I]], align 420; X86-NEXT: [[EXTRAWORK2:%.*]] = add i32 [[TMP2]], [[TMP3]]21; X86-NEXT: [[CMP3_I:%.*]] = icmp eq i32 [[TMP2]], [[TMP3]]22; X86-NEXT: br label [[OPEQ1_EXIT]]23; X86: opeq1.exit:24; X86-NEXT: [[TMP4:%.*]] = phi i1 [ false, [[ENTRY:%.*]] ], [ [[CMP3_I]], [[LAND_RHS_I]] ]25; X86-NEXT: ret i1 [[TMP4]]26;27 ptr nocapture readonly dereferenceable(8) %a,28 ptr nocapture readonly dereferenceable(8) %b) local_unnamed_addr #0 {29entry:30 ; This is a complex BCE Basic Block.31 %0 = load i32, ptr %a, align 432 %1 = load i32, ptr %b, align 433 %extrawork = add i32 %0, %134 %cmp.i = icmp eq i32 %0, %135 br i1 %cmp.i, label %land.rhs.i, label %opeq1.exit36 37land.rhs.i:38 ; This is a complex BCE Basic Block.39 %second.i = getelementptr inbounds %S, ptr %a, i64 0, i32 140 %2 = load i32, ptr %second.i, align 441 %second2.i = getelementptr inbounds %S, ptr %b, i64 0, i32 142 %3 = load i32, ptr %second2.i, align 443 %extrawork2 = add i32 %2, %344 %cmp3.i = icmp eq i32 %2, %345 br label %opeq1.exit46 47opeq1.exit:48 %4 = phi i1 [ false, %entry ], [ %cmp3.i, %land.rhs.i ]49 ret i1 %450}51