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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=reassociate < %s | FileCheck %s
define void @main(float, float) {
; CHECK-LABEL: @main(
; CHECK-NEXT: wrapper_entry:
; CHECK-NEXT: [[TMP2:%.*]] = fsub float undef, [[TMP0:%.*]]
; CHECK-NEXT: [[TMP3:%.*]] = fsub float undef, [[TMP1:%.*]]
; CHECK-NEXT: [[TMP4:%.*]] = call float @llvm.rsqrt.f32(float undef)
; CHECK-NEXT: [[REASS_ADD2:%.*]] = fadd fast float [[TMP3]], [[TMP2]]
; CHECK-NEXT: [[REASS_MUL3:%.*]] = fmul fast float [[TMP4]], [[REASS_ADD2]]
; CHECK-NEXT: [[REASS_ADD1:%.*]] = fadd fast float [[REASS_MUL3]], [[TMP4]]
; CHECK-NEXT: [[REASS_MUL:%.*]] = fmul fast float [[REASS_ADD1]], undef
; CHECK-NEXT: [[TMP5:%.*]] = call float @foo2(float [[REASS_MUL]], float 0.000000e+00)
; CHECK-NEXT: [[MUL36:%.*]] = fmul fast float [[TMP5]], 1.500000e+00
; CHECK-NEXT: call void @foo1(i32 4, float [[MUL36]])
; CHECK-NEXT: ret void
;
wrapper_entry:
%2 = fsub float undef, %0
%3 = fsub float undef, %1
%4 = call float @llvm.rsqrt.f32(float undef)
%5 = fmul fast float undef, %4
%6 = fmul fast float %2, %4
%7 = fmul fast float %3, %4
%8 = fmul fast float %5, undef
%9 = fmul fast float %6, undef
%10 = fmul fast float %7, undef
%11 = fadd fast float %8, %9
%12 = fadd fast float %11, %10
%13 = call float @foo2(float %12, float 0.000000e+00)
%mul36 = fmul fast float %13, 1.500000e+00
call void @foo1(i32 4, float %mul36)
ret void
}
declare void @foo1(i32, float)
declare float @foo2(float, float) #1
declare float @llvm.rsqrt.f32(float) #1
attributes #0 = { argmemonly nounwind }
attributes #1 = { nounwind readnone }
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