xref: /llvm-project/llvm/test/CodeGen/Hexagon/sffms.ll (revision 2208c97c1bec2512d4e47b6223db6d95a7037956)
1; RUN: llc -mtriple=hexagon -fp-contract=fast < %s | FileCheck %s
2
3; Check that "Rx-=sfmpy(Rs,Rt)" is being generated for "fsub(fmul(..))"
4
5; CHECK: r{{[0-9]+}} -= sfmpy
6
7%struct.matrix_params = type { ptr }
8
9; Function Attrs: norecurse nounwind
10define void @loop2_1(ptr nocapture readonly %params, i32 %col1) #0 {
11entry:
12  %0 = load ptr, ptr %params, align 4
13  %1 = load ptr, ptr %0, align 4
14  %arrayidx1 = getelementptr inbounds float, ptr %1, i32 %col1
15  %2 = load float, ptr %arrayidx1, align 4
16  %arrayidx3 = getelementptr inbounds ptr, ptr %0, i32 %col1
17  %3 = load ptr, ptr %arrayidx3, align 4
18  %4 = load float, ptr %3, align 4
19  %mul = fmul float %2, %4
20  %sub = fsub float %2, %mul
21  %arrayidx10 = getelementptr inbounds float, ptr %3, i32 %col1
22  store float %sub, ptr %arrayidx10, align 4
23  ret void
24}
25