| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -mtriple=powerpc64le-unknown-linux-gnu -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -hoist-common-insts=true -enable-unsafe-fp-math -S | \ |
| ; RUN: FileCheck %s |
| |
| ; This case is copied from test/Transforms/SimplifyCFG/AArch64/ |
| ; Function Attrs: nounwind |
| define double @_Z3fooRdS_S_S_(double* dereferenceable(8) %x, double* dereferenceable(8) %y, double* dereferenceable(8) %a) { |
| ; CHECK-LABEL: @_Z3fooRdS_S_S_( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[TMP0:%.*]] = load double, double* [[Y:%.*]], align 8 |
| ; CHECK-NEXT: [[CMP:%.*]] = fcmp oeq double [[TMP0]], 0.000000e+00 |
| ; CHECK-NEXT: [[TMP1:%.*]] = load double, double* [[X:%.*]], align 8 |
| ; CHECK-NEXT: [[TMP2:%.*]] = load double, double* [[A:%.*]], align 8 |
| ; CHECK-NEXT: br i1 [[CMP]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]] |
| ; CHECK: if.then: |
| ; CHECK-NEXT: [[TMP3:%.*]] = fmul fast double [[TMP1]], [[TMP2]] |
| ; CHECK-NEXT: [[MUL:%.*]] = fadd fast double 1.000000e+00, [[TMP3]] |
| ; CHECK-NEXT: store double [[MUL]], double* [[Y]], align 8 |
| ; CHECK-NEXT: br label [[IF_END:%.*]] |
| ; CHECK: if.else: |
| ; CHECK-NEXT: [[MUL1:%.*]] = fmul fast double [[TMP1]], [[TMP2]] |
| ; CHECK-NEXT: [[SUB1:%.*]] = fsub fast double [[MUL1]], [[TMP0]] |
| ; CHECK-NEXT: [[GEP1:%.*]] = getelementptr double, double* [[Y]], i32 1 |
| ; CHECK-NEXT: store double [[SUB1]], double* [[GEP1]], align 8 |
| ; CHECK-NEXT: br label [[IF_END]] |
| ; CHECK: if.end: |
| ; CHECK-NEXT: [[TMP4:%.*]] = load double, double* [[Y]], align 8 |
| ; CHECK-NEXT: [[CMP2:%.*]] = fcmp oeq double [[TMP4]], 2.000000e+00 |
| ; CHECK-NEXT: [[TMP5:%.*]] = load double, double* [[X]], align 8 |
| ; CHECK-NEXT: br i1 [[CMP2]], label [[IF_THEN2:%.*]], label [[IF_ELSE2:%.*]] |
| ; CHECK: if.then2: |
| ; CHECK-NEXT: [[TMP6:%.*]] = load double, double* [[A]], align 8 |
| ; CHECK-NEXT: [[TMP7:%.*]] = fmul fast double [[TMP5]], 3.000000e+00 |
| ; CHECK-NEXT: [[MUL2:%.*]] = fsub fast double [[TMP6]], [[TMP7]] |
| ; CHECK-NEXT: store double [[MUL2]], double* [[Y]], align 8 |
| ; CHECK-NEXT: br label [[IF_END2:%.*]] |
| ; CHECK: if.else2: |
| ; CHECK-NEXT: [[MUL3:%.*]] = fmul fast double [[TMP5]], 3.000000e+00 |
| ; CHECK-NEXT: [[NEG:%.*]] = fsub fast double 0.000000e+00, [[MUL3]] |
| ; CHECK-NEXT: [[SUB2:%.*]] = fsub fast double [[NEG]], 3.000000e+00 |
| ; CHECK-NEXT: store double [[SUB2]], double* [[Y]], align 8 |
| ; CHECK-NEXT: br label [[IF_END2]] |
| ; CHECK: if.end2: |
| ; CHECK-NEXT: [[TMP8:%.*]] = load double, double* [[X]], align 8 |
| ; CHECK-NEXT: [[TMP9:%.*]] = load double, double* [[Y]], align 8 |
| ; CHECK-NEXT: [[ADD:%.*]] = fadd fast double [[TMP8]], [[TMP9]] |
| ; CHECK-NEXT: [[TMP10:%.*]] = load double, double* [[A]], align 8 |
| ; CHECK-NEXT: [[ADD2:%.*]] = fadd fast double [[ADD]], [[TMP10]] |
| ; CHECK-NEXT: ret double [[ADD2]] |
| ; |
| entry: |
| %0 = load double, double* %y, align 8 |
| %cmp = fcmp oeq double %0, 0.000000e+00 |
| %1 = load double, double* %x, align 8 |
| br i1 %cmp, label %if.then, label %if.else |
| |
| ; fadd (const, (fmul x, y)) |
| if.then: ; preds = %entry |
| %2 = load double, double* %a, align 8 |
| %3 = fmul fast double %1, %2 |
| %mul = fadd fast double 1.000000e+00, %3 |
| store double %mul, double* %y, align 8 |
| br label %if.end |
| |
| ; fsub ((fmul x, y), z) |
| if.else: ; preds = %entry |
| %4 = load double, double* %a, align 8 |
| %mul1 = fmul fast double %1, %4 |
| %sub1 = fsub fast double %mul1, %0 |
| %gep1 = getelementptr double, double* %y, i32 1 |
| store double %sub1, double* %gep1, align 8 |
| br label %if.end |
| |
| if.end: ; preds = %if.else, %if.then |
| %5 = load double, double* %y, align 8 |
| %cmp2 = fcmp oeq double %5, 2.000000e+00 |
| %6 = load double, double* %x, align 8 |
| br i1 %cmp2, label %if.then2, label %if.else2 |
| |
| ; fsub (x, (fmul y, z)) |
| if.then2: ; preds = %entry |
| %7 = load double, double* %a, align 8 |
| %8 = fmul fast double %6, 3.0000000e+00 |
| %mul2 = fsub fast double %7, %8 |
| store double %mul2, double* %y, align 8 |
| br label %if.end2 |
| |
| ; fsub (fneg((fmul x, y)), const) |
| if.else2: ; preds = %entry |
| %mul3 = fmul fast double %6, 3.0000000e+00 |
| %neg = fsub fast double 0.0000000e+00, %mul3 |
| %sub2 = fsub fast double %neg, 3.0000000e+00 |
| store double %sub2, double* %y, align 8 |
| br label %if.end2 |
| |
| if.end2: ; preds = %if.else, %if.then |
| %9 = load double, double* %x, align 8 |
| %10 = load double, double* %y, align 8 |
| %add = fadd fast double %9, %10 |
| %11 = load double, double* %a, align 8 |
| %add2 = fadd fast double %add, %11 |
| ret double %add2 |
| } |
