; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; 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 | \
; RUN: FileCheck %s
; This case is copied from test/Transforms/SimplifyCFG/AArch64/
; Function Attrs: nounwind
define double @_Z3fooRdS_S_S_(ptr dereferenceable(8) %x, ptr dereferenceable(8) %y, ptr dereferenceable(8) %a) {
; CHECK-LABEL: @_Z3fooRdS_S_S_(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = load double, ptr [[Y:%.*]], align 8
; CHECK-NEXT: [[CMP:%.*]] = fcmp oeq double [[TMP0]], 0.000000e+00
; CHECK-NEXT: [[TMP1:%.*]] = load double, ptr [[X:%.*]], align 8
; CHECK-NEXT: [[TMP2:%.*]] = load double, ptr [[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]], ptr [[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, ptr [[Y]], i32 1
; CHECK-NEXT: store double [[SUB1]], ptr [[GEP1]], align 8
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: [[TMP4:%.*]] = load double, ptr [[Y]], align 8
; CHECK-NEXT: [[CMP2:%.*]] = fcmp oeq double [[TMP4]], 2.000000e+00
; CHECK-NEXT: [[TMP5:%.*]] = load double, ptr [[X]], align 8
; CHECK-NEXT: br i1 [[CMP2]], label [[IF_THEN2:%.*]], label [[IF_ELSE2:%.*]]
; CHECK: if.then2:
; CHECK-NEXT: [[TMP6:%.*]] = load double, ptr [[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]], ptr [[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]], ptr [[Y]], align 8
; CHECK-NEXT: br label [[IF_END2]]
; CHECK: if.end2:
; CHECK-NEXT: [[TMP8:%.*]] = load double, ptr [[X]], align 8
; CHECK-NEXT: [[TMP9:%.*]] = load double, ptr [[Y]], align 8
; CHECK-NEXT: [[ADD:%.*]] = fadd fast double [[TMP8]], [[TMP9]]
; CHECK-NEXT: [[TMP10:%.*]] = load double, ptr [[A]], align 8
; CHECK-NEXT: [[ADD2:%.*]] = fadd fast double [[ADD]], [[TMP10]]
; CHECK-NEXT: ret double [[ADD2]]
;
entry:
%0 = load double, ptr %y, align 8
%cmp = fcmp oeq double %0, 0.000000e+00
%1 = load double, ptr %x, align 8
br i1 %cmp, label %if.then, label %if.else
; fadd (const, (fmul x, y))
if.then: ; preds = %entry
%2 = load double, ptr %a, align 8
%3 = fmul fast double %1, %2
%mul = fadd fast double 1.000000e+00, %3
store double %mul, ptr %y, align 8
br label %if.end
; fsub ((fmul x, y), z)
if.else: ; preds = %entry
%4 = load double, ptr %a, align 8
%mul1 = fmul fast double %1, %4
%sub1 = fsub fast double %mul1, %0
%gep1 = getelementptr double, ptr %y, i32 1
store double %sub1, ptr %gep1, align 8
br label %if.end
if.end: ; preds = %if.else, %if.then
%5 = load double, ptr %y, align 8
%cmp2 = fcmp oeq double %5, 2.000000e+00
%6 = load double, ptr %x, align 8
br i1 %cmp2, label %if.then2, label %if.else2
; fsub (x, (fmul y, z))
if.then2: ; preds = %entry
%7 = load double, ptr %a, align 8
%8 = fmul fast double %6, 3.0000000e+00
%mul2 = fsub fast double %7, %8
store double %mul2, ptr %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, ptr %y, align 8
br label %if.end2
if.end2: ; preds = %if.else, %if.then
%9 = load double, ptr %x, align 8
%10 = load double, ptr %y, align 8
%add = fadd fast double %9, %10
%11 = load double, ptr %a, align 8
%add2 = fadd fast double %add, %11
ret double %add2
}
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