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[NFC][AMDGPU] Pre-commit tests for D132837. 

Reviewed By: foad

Differential Revision: https://reviews.llvm.org/D132930
This commit is contained in:
Thomas Symalla 2022-08-30 13:51:45 +02:00
parent 21ea40d498
commit d26dd37149
1 changed files with 35 additions and 0 deletions
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35
llvm/test/CodeGen/AMDGPU/dagcombine-fma-fmad.ll
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@ -175,6 +175,41 @@ define amdgpu_ps float @_amdgpu_ps_main() #0 {
ret float %.i2551
}
define float @fmac_sequence_simple(float %a, float %b, float %c, float %d, float %e) #0 {
; GCN-LABEL: fmac_sequence_simple:
; GCN: ; %bb.0:
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-NEXT: s_waitcnt_vscnt null, 0x0
; GCN-NEXT: v_fma_f32 v2, v2, v3, v4
; GCN-NEXT: v_fmac_f32_e32 v2, v0, v1
; GCN-NEXT: v_mov_b32_e32 v0, v2
; GCN-NEXT: s_setpc_b64 s[30:31]
%t0 = fmul fast float %a, %b
%t1 = fmul fast float %c, %d
%t2 = fadd fast float %t0, %t1
%t5 = fadd fast float %t2, %e
ret float %t5
}
define float @fmac_sequence_innermost_fmul(float %a, float %b, float %c, float %d, float %e, float %f, float %g) #0 {
; GCN-LABEL: fmac_sequence_innermost_fmul:
; GCN: ; %bb.0:
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-NEXT: s_waitcnt_vscnt null, 0x0
; GCN-NEXT: v_mul_f32_e32 v2, v2, v3
; GCN-NEXT: v_fmac_f32_e32 v2, v0, v1
; GCN-NEXT: v_fmac_f32_e32 v2, v4, v5
; GCN-NEXT: v_add_f32_e32 v0, v2, v6
; GCN-NEXT: s_setpc_b64 s[30:31]
%t0 = fmul fast float %a, %b
%t1 = fmul fast float %c, %d
%t2 = fadd fast float %t0, %t1
%t3 = fmul fast float %e, %f
%t4 = fadd fast float %t2, %t3
%t5 = fadd fast float %t4, %g
ret float %t5
}
; Function Attrs: nofree nosync nounwind readnone speculatable willreturn
declare float @llvm.maxnum.f32(float, float) #1