forked from OSchip/llvm-project
25 lines
1.1 KiB
LLVM
25 lines
1.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -enable-no-signed-zeros-fp-math=true < %s | FileCheck %s
|
|
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -enable-no-signed-zeros-fp-math=false < %s | FileCheck %s
|
|
|
|
; no-signed-zeros-fp-math should not increase the number of
|
|
; instructions emitted.
|
|
|
|
define { double, double } @testfn(double %arg, double %arg1, double %arg2) {
|
|
; CHECK-LABEL: testfn:
|
|
; CHECK: ; %bb.0: ; %bb
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: v_add_f64 v[4:5], v[4:5], -v[0:1]
|
|
; CHECK-NEXT: v_add_f64 v[0:1], v[4:5], -v[2:3]
|
|
; CHECK-NEXT: v_add_f64 v[2:3], -v[2:3], -v[4:5]
|
|
; CHECK-NEXT: s_setpc_b64 s[30:31]
|
|
bb:
|
|
%tmp = fsub fast double 0.000000e+00, %arg1
|
|
%tmp3 = fsub fast double %arg2, %arg
|
|
%tmp4 = fadd fast double %tmp3, %tmp
|
|
%tmp5 = fsub fast double %tmp, %tmp3
|
|
%tmp6 = insertvalue { double, double } undef, double %tmp4, 0
|
|
%tmp7 = insertvalue { double, double } %tmp6, double %tmp5, 1
|
|
ret { double, double } %tmp7
|
|
}
|