148 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=instcombine -S | FileCheck %s3 4%"struct.std::complex" = type { { float, float } }5@dd = external global %"struct.std::complex", align 46@dd2 = external global %"struct.std::complex", align 47 8define void @_Z3fooi(i32 signext %n) {9; CHECK-LABEL: @_Z3fooi(10; CHECK-NEXT: entry:11; CHECK-NEXT: br label [[FOR_COND:%.*]]12; CHECK: for.cond:13; CHECK-NEXT: [[TMP0:%.*]] = phi float [ 0.000000e+00, [[ENTRY:%.*]] ], [ [[ADD_I:%.*]], [[FOR_BODY:%.*]] ]14; CHECK-NEXT: [[TMP1:%.*]] = phi float [ 0.000000e+00, [[ENTRY]] ], [ [[ADD4_I:%.*]], [[FOR_BODY]] ]15; CHECK-NEXT: [[I_0:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ [[INC:%.*]], [[FOR_BODY]] ]16; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[I_0]], [[N:%.*]]17; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END:%.*]]18; CHECK: for.body:19; CHECK-NEXT: [[TMP2:%.*]] = load float, ptr @dd, align 420; CHECK-NEXT: [[TMP3:%.*]] = load float, ptr getelementptr inbounds nuw (i8, ptr @dd, i64 4), align 421; CHECK-NEXT: [[TMP4:%.*]] = load float, ptr @dd2, align 422; CHECK-NEXT: [[TMP5:%.*]] = load float, ptr getelementptr inbounds nuw (i8, ptr @dd2, i64 4), align 423; CHECK-NEXT: [[MUL_I:%.*]] = fmul float [[TMP2]], [[TMP4]]24; CHECK-NEXT: [[MUL4_I:%.*]] = fmul float [[TMP3]], [[TMP5]]25; CHECK-NEXT: [[SUB_I:%.*]] = fsub float [[MUL_I]], [[MUL4_I]]26; CHECK-NEXT: [[MUL5_I:%.*]] = fmul float [[TMP3]], [[TMP4]]27; CHECK-NEXT: [[MUL6_I:%.*]] = fmul float [[TMP2]], [[TMP5]]28; CHECK-NEXT: [[ADD_I4:%.*]] = fadd float [[MUL5_I]], [[MUL6_I]]29; CHECK-NEXT: [[ADD_I]] = fadd float [[SUB_I]], [[TMP0]]30; CHECK-NEXT: [[ADD4_I]] = fadd float [[ADD_I4]], [[TMP1]]31; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_0]], 132; CHECK-NEXT: br label [[FOR_COND]]33; CHECK: for.end:34; CHECK-NEXT: store float [[TMP0]], ptr @dd, align 435; CHECK-NEXT: store float [[TMP1]], ptr getelementptr inbounds nuw (i8, ptr @dd, i64 4), align 436; CHECK-NEXT: ret void37;38entry:39 br label %for.cond40 41for.cond:42 %ldd.sroa.0.0 = phi i32 [ 0, %entry ], [ %5, %for.body ]43 %ldd.sroa.6.0 = phi i32 [ 0, %entry ], [ %7, %for.body ]44 %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]45 %cmp = icmp slt i32 %i.0, %n46 br i1 %cmp, label %for.body, label %for.end47 48for.body:49 %0 = load float, ptr @dd, align 450 %1 = load float, ptr getelementptr inbounds (%"struct.std::complex", ptr @dd, i64 0, i32 0, i32 1), align 451 %2 = load float, ptr @dd2, align 452 %3 = load float, ptr getelementptr inbounds (%"struct.std::complex", ptr @dd2, i64 0, i32 0, i32 1), align 453 %mul.i = fmul float %0, %254 %mul4.i = fmul float %1, %355 %sub.i = fsub float %mul.i, %mul4.i56 %mul5.i = fmul float %1, %257 %mul6.i = fmul float %0, %358 %add.i4 = fadd float %mul5.i, %mul6.i59 %4 = bitcast i32 %ldd.sroa.0.0 to float60 %add.i = fadd float %sub.i, %461 %5 = bitcast float %add.i to i3262 %6 = bitcast i32 %ldd.sroa.6.0 to float63 %add4.i = fadd float %add.i4, %664 %7 = bitcast float %add4.i to i3265 %inc = add nsw i32 %i.0, 166 br label %for.cond67 68for.end:69 store i32 %ldd.sroa.0.0, ptr @dd, align 470 store i32 %ldd.sroa.6.0, ptr getelementptr inbounds (%"struct.std::complex", ptr @dd, i64 0, i32 0, i32 1), align 471 ret void72 73}74 75 76define void @multi_phi(i32 signext %n) {77; CHECK-LABEL: @multi_phi(78; CHECK-NEXT: entry:79; CHECK-NEXT: br label [[FOR_COND:%.*]]80; CHECK: for.cond:81; CHECK-NEXT: [[TMP0:%.*]] = phi float [ 0.000000e+00, [[ENTRY:%.*]] ], [ [[TMP7:%.*]], [[ODD_BB:%.*]] ]82; CHECK-NEXT: [[I_0:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ [[INC:%.*]], [[ODD_BB]] ]83; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[I_0]], [[N:%.*]]84; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]]85; CHECK: for.body:86; CHECK-NEXT: [[TMP1:%.*]] = load float, ptr @dd, align 487; CHECK-NEXT: [[TMP2:%.*]] = load float, ptr getelementptr inbounds nuw (i8, ptr @dd, i64 4), align 488; CHECK-NEXT: [[TMP3:%.*]] = load float, ptr @dd2, align 489; CHECK-NEXT: [[TMP4:%.*]] = load float, ptr getelementptr inbounds nuw (i8, ptr @dd2, i64 4), align 490; CHECK-NEXT: [[MUL_I:%.*]] = fmul float [[TMP1]], [[TMP3]]91; CHECK-NEXT: [[MUL4_I:%.*]] = fmul float [[TMP2]], [[TMP4]]92; CHECK-NEXT: [[SUB_I:%.*]] = fsub float [[MUL_I]], [[MUL4_I]]93; CHECK-NEXT: [[ADD_I:%.*]] = fadd float [[SUB_I]], [[TMP0]]94; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_0]], 195; CHECK-NEXT: [[TMP5:%.*]] = and i32 [[I_0]], 196; CHECK-NEXT: [[EVEN_NOT_NOT_NOT:%.*]] = icmp eq i32 [[TMP5]], 097; CHECK-NEXT: br i1 [[EVEN_NOT_NOT_NOT]], label [[ODD_BB]], label [[EVEN_BB:%.*]]98; CHECK: even.bb:99; CHECK-NEXT: [[TMP6:%.*]] = fadd float [[SUB_I]], [[ADD_I]]100; CHECK-NEXT: br label [[ODD_BB]]101; CHECK: odd.bb:102; CHECK-NEXT: [[TMP7]] = phi float [ [[ADD_I]], [[FOR_BODY]] ], [ [[TMP6]], [[EVEN_BB]] ]103; CHECK-NEXT: br label [[FOR_COND]]104; CHECK: for.end:105; CHECK-NEXT: store float [[TMP0]], ptr @dd, align 4106; CHECK-NEXT: ret void107;108entry:109 br label %for.cond110 111for.cond:112 %ldd.sroa.0.0 = phi i32 [ 0, %entry ], [ %9, %odd.bb ]113 %i.0 = phi i32 [ 0, %entry ], [ %inc, %odd.bb ]114 %cmp = icmp slt i32 %i.0, %n115 br i1 %cmp, label %for.body, label %for.end116 117for.body:118 %0 = load float, ptr @dd, align 4119 %1 = load float, ptr getelementptr inbounds (%"struct.std::complex", ptr @dd, i64 0, i32 0, i32 1), align 4120 %2 = load float, ptr @dd2, align 4121 %3 = load float, ptr getelementptr inbounds (%"struct.std::complex", ptr @dd2, i64 0, i32 0, i32 1), align 4122 %mul.i = fmul float %0, %2123 %mul4.i = fmul float %1, %3124 %sub.i = fsub float %mul.i, %mul4.i125 %4 = bitcast i32 %ldd.sroa.0.0 to float126 %add.i = fadd float %sub.i, %4127 %5 = bitcast float %add.i to i32128 %inc = add nsw i32 %i.0, 1129 %bit0 = and i32 %inc, 1130 %even = icmp slt i32 %bit0, 1131 br i1 %even, label %even.bb, label %odd.bb132 133even.bb:134 %6 = bitcast i32 %5 to float135 %7 = fadd float %sub.i, %6136 %8 = bitcast float %7 to i32137 br label %odd.bb138 139odd.bb:140 %9 = phi i32 [ %5, %for.body ], [ %8, %even.bb ]141 br label %for.cond142 143for.end:144 store i32 %ldd.sroa.0.0, ptr @dd, align 4145 ret void146 147}148