1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -mtriple=i386-linux-gnu -passes=slp-vectorizer -S %s | FileCheck %s 3 4%struct.a = type { [2 x i64] } 5 6@a = external global %struct.a 7@b = external global %struct.a 8@c = external global %struct.a 9 10define void @f(i1 %x) #0 { 11; CHECK-LABEL: @f( 12; CHECK-NEXT: entry: 13; CHECK-NEXT: [[A1:%.*]] = load i64, ptr getelementptr inbounds ([[STRUCT_A:%.*]], ptr @a, i32 0, i32 0, i32 1), align 8 14; CHECK-NEXT: [[TMP0:%.*]] = load <2 x i64>, ptr @a, align 8 15; CHECK-NEXT: br i1 [[X:%.*]], label [[WHILE_BODY_LR_PH:%.*]], label [[WHILE_END:%.*]] 16; CHECK: while.body.lr.ph: 17; CHECK-NEXT: [[ICMP_A1:%.*]] = icmp eq i64 [[A1]], 0 18; CHECK-NEXT: [[TMP1:%.*]] = load <2 x i64>, ptr @b, align 8 19; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x i1> poison, i1 [[ICMP_A1]], i32 0 20; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <2 x i1> [[TMP2]], <2 x i1> poison, <2 x i32> zeroinitializer 21; CHECK-NEXT: [[TMP4:%.*]] = select <2 x i1> [[TMP3]], <2 x i64> [[TMP1]], <2 x i64> [[TMP0]] 22; CHECK-NEXT: br label [[WHILE_END]] 23; CHECK: while.end: 24; CHECK-NEXT: [[TMP5:%.*]] = phi <2 x i64> [ [[TMP0]], [[ENTRY:%.*]] ], [ [[TMP4]], [[WHILE_BODY_LR_PH]] ] 25; CHECK-NEXT: [[TMP6:%.*]] = load <2 x i64>, ptr @c, align 8 26; CHECK-NEXT: [[TMP7:%.*]] = extractelement <2 x i64> [[TMP5]], i32 0 27; CHECK-NEXT: [[ICMP_D0:%.*]] = icmp eq i64 [[TMP7]], 0 28; CHECK-NEXT: br i1 [[ICMP_D0]], label [[IF_END:%.*]], label [[IF_THEN:%.*]] 29; CHECK: if.then: 30; CHECK-NEXT: [[AND0_TMP:%.*]] = and i64 [[TMP7]], 8 31; CHECK-NEXT: [[TMP8:%.*]] = insertelement <2 x i64> poison, i64 [[AND0_TMP]], i32 0 32; CHECK-NEXT: [[TMP9:%.*]] = shufflevector <2 x i64> [[TMP8]], <2 x i64> [[TMP5]], <2 x i32> <i32 0, i32 3> 33; CHECK-NEXT: [[TMP10:%.*]] = and <2 x i64> [[TMP9]], [[TMP6]] 34; CHECK-NEXT: store <2 x i64> [[TMP10]], ptr @a, align 8 35; CHECK-NEXT: br label [[IF_END]] 36; CHECK: if.end: 37; CHECK-NEXT: ret void 38; 39entry: 40 %a0 = load i64, ptr @a, align 8 41 %a1 = load i64, ptr getelementptr inbounds (%struct.a, ptr @a, i32 0, i32 0, i32 1), align 8 42 br i1 %x, label %while.body.lr.ph, label %while.end 43 44while.body.lr.ph: 45 %icmp.a1 = icmp eq i64 %a1, 0 46 %b0 = load i64, ptr @b, align 8 47 %b1 = load i64, ptr getelementptr inbounds (%struct.a, ptr @b, i32 0, i32 0, i32 1), align 8 48 %c0 = select i1 %icmp.a1, i64 %b0, i64 %a0 49 %c1 = select i1 %icmp.a1, i64 %b1, i64 %a1 50 br label %while.end 51 52while.end: 53 %d0 = phi i64 [ %a0, %entry ], [ %c0, %while.body.lr.ph ] 54 %d1 = phi i64 [ %a1, %entry ], [ %c1, %while.body.lr.ph ] 55 %e0 = load i64, ptr @c, align 8 56 %e1 = load i64, ptr getelementptr inbounds (%struct.a, ptr @c, i32 0, i32 0, i32 1), align 8 57 %icmp.d0 = icmp eq i64 %d0, 0 58 br i1 %icmp.d0, label %if.end, label %if.then 59 60if.then: 61 %and0.tmp = and i64 %d0, 8 62 %and0 = and i64 %and0.tmp, %e0 63 %and1 = and i64 %e1, %d1 64 store i64 %and0, ptr @a, align 8 65 store i64 %and1, ptr getelementptr inbounds (%struct.a, ptr @a, i32 0, i32 0, i32 1), align 8 66 br label %if.end 67 68if.end: 69 ret void 70} 71 72attributes #0 = { "target-features"="+sse2" } 73