llvm-6502/test/CodeGen/NVPTX/fma.ll
Justin Holewinski 11ae250ec9 [NVPTX] Improve handling of FP fusion
We now consider the FPOpFusion flag when determining whether
to fuse ops.  We also explicitly emit add.rn when fusion is
disabled to prevent ptxas from fusing the operations on its
own.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213287 91177308-0d34-0410-b5e6-96231b3b80d8
2014-07-17 18:10:09 +00:00

18 lines
529 B
LLVM

; RUN: llc < %s -march=nvptx -mcpu=sm_20 -fp-contract=fast | FileCheck %s
define ptx_device float @t1_f32(float %x, float %y, float %z) {
; CHECK: fma.rn.f32 %f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}};
; CHECK: ret;
%a = fmul float %x, %y
%b = fadd float %a, %z
ret float %b
}
define ptx_device double @t1_f64(double %x, double %y, double %z) {
; CHECK: fma.rn.f64 %fd{{[0-9]+}}, %fd{{[0-9]+}}, %fd{{[0-9]+}}, %fd{{[0-9]+}};
; CHECK: ret;
%a = fmul double %x, %y
%b = fadd double %a, %z
ret double %b
}