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TheRock/compiler/amd-llvm/llvm/test/CodeGen/PowerPC/fdiv-combine.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

36 lines
1.0 KiB
LLVM

; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu < %s | FileCheck %s
; Following test case checks:
; a / D; b / D; c / D;
; =>
; recip = 1.0 / D; a * recip; b * recip; c * recip;
define void @three_fdiv_double(double %D, double %a, double %b, double %c) #0 {
; CHECK-LABEL: three_fdiv_double:
; CHECK: fdiv {{[0-9]}}
; CHECK-NOT: fdiv
; CHECK: fmul
; CHECK: fmul
; CHECK: fmul
%div = fdiv arcp double %a, %D
%div1 = fdiv arcp double %b, %D
%div2 = fdiv arcp double %c, %D
tail call void @foo_3d(double %div, double %div1, double %div2)
ret void
}
define void @two_fdiv_double(double %D, double %a, double %b) #0 {
; CHECK-LABEL: two_fdiv_double:
; CHECK: fdiv {{[0-9]}}
; CHECK: fdiv {{[0-9]}}
; CHECK-NOT: fmul
%div = fdiv arcp double %a, %D
%div1 = fdiv arcp double %b, %D
tail call void @foo_2d(double %div, double %div1)
ret void
}
declare void @foo_3d(double, double, double)
declare void @foo_3_2xd(<2 x double>, <2 x double>, <2 x double>)
declare void @foo_2d(double, double)