1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -mtriple=powerpc64le-unknown-linux-gnu -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -hoist-common-insts=true -enable-unsafe-fp-math -S | \ 3; RUN: FileCheck %s 4 5; This case is copied from test/Transforms/SimplifyCFG/AArch64/ 6; Function Attrs: nounwind 7define double @_Z3fooRdS_S_S_(ptr dereferenceable(8) %x, ptr dereferenceable(8) %y, ptr dereferenceable(8) %a) { 8; CHECK-LABEL: @_Z3fooRdS_S_S_( 9; CHECK-NEXT: entry: 10; CHECK-NEXT: [[TMP0:%.*]] = load double, ptr [[Y:%.*]], align 8 11; CHECK-NEXT: [[CMP:%.*]] = fcmp oeq double [[TMP0]], 0.000000e+00 12; CHECK-NEXT: [[TMP1:%.*]] = load double, ptr [[X:%.*]], align 8 13; CHECK-NEXT: [[TMP2:%.*]] = load double, ptr [[A:%.*]], align 8 14; CHECK-NEXT: br i1 [[CMP]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]] 15; CHECK: if.then: 16; CHECK-NEXT: [[TMP3:%.*]] = fmul fast double [[TMP1]], [[TMP2]] 17; CHECK-NEXT: [[MUL:%.*]] = fadd fast double 1.000000e+00, [[TMP3]] 18; CHECK-NEXT: store double [[MUL]], ptr [[Y]], align 8 19; CHECK-NEXT: br label [[IF_END:%.*]] 20; CHECK: if.else: 21; CHECK-NEXT: [[MUL1:%.*]] = fmul fast double [[TMP1]], [[TMP2]] 22; CHECK-NEXT: [[SUB1:%.*]] = fsub fast double [[MUL1]], [[TMP0]] 23; CHECK-NEXT: [[GEP1:%.*]] = getelementptr double, ptr [[Y]], i32 1 24; CHECK-NEXT: store double [[SUB1]], ptr [[GEP1]], align 8 25; CHECK-NEXT: br label [[IF_END]] 26; CHECK: if.end: 27; CHECK-NEXT: [[TMP4:%.*]] = load double, ptr [[Y]], align 8 28; CHECK-NEXT: [[CMP2:%.*]] = fcmp oeq double [[TMP4]], 2.000000e+00 29; CHECK-NEXT: [[TMP5:%.*]] = load double, ptr [[X]], align 8 30; CHECK-NEXT: br i1 [[CMP2]], label [[IF_THEN2:%.*]], label [[IF_ELSE2:%.*]] 31; CHECK: if.then2: 32; CHECK-NEXT: [[TMP6:%.*]] = load double, ptr [[A]], align 8 33; CHECK-NEXT: [[TMP7:%.*]] = fmul fast double [[TMP5]], 3.000000e+00 34; CHECK-NEXT: [[MUL2:%.*]] = fsub fast double [[TMP6]], [[TMP7]] 35; CHECK-NEXT: store double [[MUL2]], ptr [[Y]], align 8 36; CHECK-NEXT: br label [[IF_END2:%.*]] 37; CHECK: if.else2: 38; CHECK-NEXT: [[MUL3:%.*]] = fmul fast double [[TMP5]], 3.000000e+00 39; CHECK-NEXT: [[NEG:%.*]] = fsub fast double 0.000000e+00, [[MUL3]] 40; CHECK-NEXT: [[SUB2:%.*]] = fsub fast double [[NEG]], 3.000000e+00 41; CHECK-NEXT: store double [[SUB2]], ptr [[Y]], align 8 42; CHECK-NEXT: br label [[IF_END2]] 43; CHECK: if.end2: 44; CHECK-NEXT: [[TMP8:%.*]] = load double, ptr [[X]], align 8 45; CHECK-NEXT: [[TMP9:%.*]] = load double, ptr [[Y]], align 8 46; CHECK-NEXT: [[ADD:%.*]] = fadd fast double [[TMP8]], [[TMP9]] 47; CHECK-NEXT: [[TMP10:%.*]] = load double, ptr [[A]], align 8 48; CHECK-NEXT: [[ADD2:%.*]] = fadd fast double [[ADD]], [[TMP10]] 49; CHECK-NEXT: ret double [[ADD2]] 50; 51entry: 52 %0 = load double, ptr %y, align 8 53 %cmp = fcmp oeq double %0, 0.000000e+00 54 %1 = load double, ptr %x, align 8 55 br i1 %cmp, label %if.then, label %if.else 56 57; fadd (const, (fmul x, y)) 58if.then: ; preds = %entry 59 %2 = load double, ptr %a, align 8 60 %3 = fmul fast double %1, %2 61 %mul = fadd fast double 1.000000e+00, %3 62 store double %mul, ptr %y, align 8 63 br label %if.end 64 65; fsub ((fmul x, y), z) 66if.else: ; preds = %entry 67 %4 = load double, ptr %a, align 8 68 %mul1 = fmul fast double %1, %4 69 %sub1 = fsub fast double %mul1, %0 70 %gep1 = getelementptr double, ptr %y, i32 1 71 store double %sub1, ptr %gep1, align 8 72 br label %if.end 73 74if.end: ; preds = %if.else, %if.then 75 %5 = load double, ptr %y, align 8 76 %cmp2 = fcmp oeq double %5, 2.000000e+00 77 %6 = load double, ptr %x, align 8 78 br i1 %cmp2, label %if.then2, label %if.else2 79 80; fsub (x, (fmul y, z)) 81if.then2: ; preds = %entry 82 %7 = load double, ptr %a, align 8 83 %8 = fmul fast double %6, 3.0000000e+00 84 %mul2 = fsub fast double %7, %8 85 store double %mul2, ptr %y, align 8 86 br label %if.end2 87 88; fsub (fneg((fmul x, y)), const) 89if.else2: ; preds = %entry 90 %mul3 = fmul fast double %6, 3.0000000e+00 91 %neg = fsub fast double 0.0000000e+00, %mul3 92 %sub2 = fsub fast double %neg, 3.0000000e+00 93 store double %sub2, ptr %y, align 8 94 br label %if.end2 95 96if.end2: ; preds = %if.else, %if.then 97 %9 = load double, ptr %x, align 8 98 %10 = load double, ptr %y, align 8 99 %add = fadd fast double %9, %10 100 %11 = load double, ptr %a, align 8 101 %add2 = fadd fast double %add, %11 102 ret double %add2 103} 104