; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=simplifycfg -S | FileCheck %s declare @llvm.vector.insert.nxv4i32.v4i32(, <4 x i32>, i64 immarg) declare <4 x i32> @llvm.vector.extract.v4i32.nxv4i32(, i64 immarg) define @speculate_vector_insert(i32 %c, <4 x i32> %v1, <4 x i32> %v2) { ; CHECK-LABEL: @speculate_vector_insert( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C:%.*]], 0 ; CHECK-NEXT: [[T1:%.*]] = tail call @llvm.vector.insert.nxv4i32.v4i32( zeroinitializer, <4 x i32> [[V1:%.*]], i64 0) ; CHECK-NEXT: [[T2:%.*]] = tail call @llvm.vector.insert.nxv4i32.v4i32( zeroinitializer, <4 x i32> [[V2:%.*]], i64 0) ; CHECK-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], [[T2]], [[T1]] ; CHECK-NEXT: ret [[COND]] ; entry: %tobool = icmp eq i32 %c, 0 br i1 %tobool, label %cond.else, label %cond.then cond.then: ; preds = %entry %t1 = tail call @llvm.vector.insert.nxv4i32.v4i32( zeroinitializer, <4 x i32> %v1, i64 0) br label %cond.end cond.else: ; preds = %entry %t2 = tail call @llvm.vector.insert.nxv4i32.v4i32( zeroinitializer, <4 x i32> %v2, i64 0) br label %cond.end cond.end: ; preds = %cond.else, %cond.then %cond = phi [ %t1, %cond.then ], [ %t2, %cond.else ] br label %return return: ; preds = %cond.end ret %cond } define <4 x i32> @speculate_vector_extract(i32 %c, %v1, %v2) { ; CHECK-LABEL: @speculate_vector_extract( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C:%.*]], 0 ; CHECK-NEXT: [[T1:%.*]] = tail call <4 x i32> @llvm.vector.extract.v4i32.nxv4i32( [[V1:%.*]], i64 0) ; CHECK-NEXT: [[T2:%.*]] = tail call <4 x i32> @llvm.vector.extract.v4i32.nxv4i32( [[V2:%.*]], i64 0) ; CHECK-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], <4 x i32> [[T2]], <4 x i32> [[T1]] ; CHECK-NEXT: ret <4 x i32> [[COND]] ; entry: %tobool = icmp eq i32 %c, 0 br i1 %tobool, label %cond.else, label %cond.then cond.then: ; preds = %entry %t1 = tail call <4 x i32> @llvm.vector.extract.v4i32.nxv4i32( %v1, i64 0) br label %cond.end cond.else: ; preds = %entry %t2 = tail call <4 x i32> @llvm.vector.extract.v4i32.nxv4i32( %v2, i64 0) br label %cond.end cond.end: ; preds = %cond.else, %cond.then %cond = phi <4 x i32> [ %t1, %cond.then ], [ %t2, %cond.else ] br label %return return: ; preds = %cond.end ret <4 x i32> %cond }