1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -passes=simplifycfg -S | FileCheck %s
4 declare <vscale x 4 x i32> @llvm.vector.insert.nxv4i32.v4i32(<vscale x 4 x i32>, <4 x i32>, i64 immarg)
5 declare <4 x i32> @llvm.vector.extract.v4i32.nxv4i32(<vscale x 4 x i32>, i64 immarg)
7 define <vscale x 4 x i32> @speculate_vector_insert(i32 %c, <4 x i32> %v1, <4 x i32> %v2) {
8 ; CHECK-LABEL: @speculate_vector_insert(
10 ; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C:%.*]], 0
11 ; 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)
12 ; 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)
13 ; CHECK-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], <vscale x 4 x i32> [[T2]], <vscale x 4 x i32> [[T1]]
14 ; CHECK-NEXT: ret <vscale x 4 x i32> [[COND]]
17 %tobool = icmp eq i32 %c, 0
18 br i1 %tobool, label %cond.else, label %cond.then
20 cond.then: ; preds = %entry
21 %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)
24 cond.else: ; preds = %entry
25 %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)
28 cond.end: ; preds = %cond.else, %cond.then
29 %cond = phi <vscale x 4 x i32> [ %t1, %cond.then ], [ %t2, %cond.else ]
32 return: ; preds = %cond.end
33 ret <vscale x 4 x i32> %cond
36 define <4 x i32> @speculate_vector_extract(i32 %c, <vscale x 4 x i32> %v1, <vscale x 4 x i32> %v2) {
37 ; CHECK-LABEL: @speculate_vector_extract(
39 ; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C:%.*]], 0
40 ; CHECK-NEXT: [[T1:%.*]] = tail call <4 x i32> @llvm.vector.extract.v4i32.nxv4i32(<vscale x 4 x i32> [[V1:%.*]], i64 0)
41 ; CHECK-NEXT: [[T2:%.*]] = tail call <4 x i32> @llvm.vector.extract.v4i32.nxv4i32(<vscale x 4 x i32> [[V2:%.*]], i64 0)
42 ; CHECK-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], <4 x i32> [[T2]], <4 x i32> [[T1]]
43 ; CHECK-NEXT: ret <4 x i32> [[COND]]
46 %tobool = icmp eq i32 %c, 0
47 br i1 %tobool, label %cond.else, label %cond.then
49 cond.then: ; preds = %entry
50 %t1 = tail call <4 x i32> @llvm.vector.extract.v4i32.nxv4i32(<vscale x 4 x i32> %v1, i64 0)
53 cond.else: ; preds = %entry
54 %t2 = tail call <4 x i32> @llvm.vector.extract.v4i32.nxv4i32(<vscale x 4 x i32> %v2, i64 0)
57 cond.end: ; preds = %cond.else, %cond.then
58 %cond = phi <4 x i32> [ %t1, %cond.then ], [ %t2, %cond.else ]
61 return: ; preds = %cond.end