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