; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -march=amdgcn -mcpu=tahiti -denormal-fp-math-f32=ieee < %s | FileCheck --check-prefix=FMA %s ; RUN: llc -march=amdgcn -mcpu=verde -denormal-fp-math-f32=ieee < %s | FileCheck --check-prefix=NOFUSE %s ; RUN: llc -march=amdgcn -mcpu=fiji -denormal-fp-math-f32=ieee < %s | FileCheck --check-prefix=NOFUSE %s ; RUN: llc -march=amdgcn -mcpu=tonga -denormal-fp-math-f32=ieee < %s | FileCheck --check-prefix=NOFUSE %s ; RUN: llc -march=amdgcn -mcpu=gfx900 -denormal-fp-math-f32=ieee < %s | FileCheck --check-prefix=FMA %s ; RUN: llc -march=amdgcn -mcpu=tahiti -denormal-fp-math-f32=preserve-sign < %s | FileCheck --check-prefix=FMAD %s ; RUN: llc -march=amdgcn -mcpu=verde -denormal-fp-math-f32=preserve-sign < %s | FileCheck --check-prefix=FMAD %s ; RUN: llc -march=amdgcn -mcpu=fiji -denormal-fp-math-f32=preserve-sign < %s | FileCheck --check-prefix=FMAD %s ; RUN: llc -march=amdgcn -mcpu=tonga -denormal-fp-math-f32=preserve-sign < %s | FileCheck --check-prefix=FMAD %s ; RUN: llc -march=amdgcn -mcpu=gfx900 -denormal-fp-math-f32=preserve-sign < %s | FileCheck --check-prefix=FMAD %s ; Check for incorrect fmad formation when distributing define float @unsafe_fmul_fadd_distribute_fast_f32(float %arg0, float %arg1) #0 { ; FMA-LABEL: unsafe_fmul_fadd_distribute_fast_f32: ; FMA: ; %bb.0: ; FMA-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; FMA-NEXT: v_fma_f32 v0, v1, v0, v0 ; FMA-NEXT: s_setpc_b64 s[30:31] ; ; NOFUSE-LABEL: unsafe_fmul_fadd_distribute_fast_f32: ; NOFUSE: ; %bb.0: ; NOFUSE-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; NOFUSE-NEXT: v_add_f32_e32 v1, 1.0, v1 ; NOFUSE-NEXT: v_mul_f32_e32 v0, v0, v1 ; NOFUSE-NEXT: s_setpc_b64 s[30:31] ; ; FMAD-LABEL: unsafe_fmul_fadd_distribute_fast_f32: ; FMAD: ; %bb.0: ; FMAD-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; FMAD-NEXT: v_mac_f32_e32 v0, v1, v0 ; FMAD-NEXT: s_setpc_b64 s[30:31] %add = fadd fast float %arg1, 1.0 %tmp1 = fmul fast float %arg0, %add ret float %tmp1 } define float @unsafe_fmul_fsub_distribute_fast_f32(float %arg0, float %arg1) #0 { ; FMA-LABEL: unsafe_fmul_fsub_distribute_fast_f32: ; FMA: ; %bb.0: ; FMA-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; FMA-NEXT: v_fma_f32 v0, -v1, v0, v0 ; FMA-NEXT: s_setpc_b64 s[30:31] ; ; NOFUSE-LABEL: unsafe_fmul_fsub_distribute_fast_f32: ; NOFUSE: ; %bb.0: ; NOFUSE-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; NOFUSE-NEXT: v_sub_f32_e32 v1, 1.0, v1 ; NOFUSE-NEXT: v_mul_f32_e32 v0, v0, v1 ; NOFUSE-NEXT: s_setpc_b64 s[30:31] ; ; FMAD-LABEL: unsafe_fmul_fsub_distribute_fast_f32: ; FMAD: ; %bb.0: ; FMAD-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; FMAD-NEXT: v_mad_f32 v0, -v1, v0, v0 ; FMAD-NEXT: s_setpc_b64 s[30:31] %add = fsub fast float 1.0, %arg1 %tmp1 = fmul fast float %arg0, %add ret float %tmp1 } define <2 x float> @unsafe_fmul_fadd_distribute_fast_v2f32(<2 x float> %arg0, <2 x float> %arg1) #0 { ; FMA-LABEL: unsafe_fmul_fadd_distribute_fast_v2f32: ; FMA: ; %bb.0: ; FMA-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; FMA-NEXT: v_fma_f32 v0, v2, v0, v0 ; FMA-NEXT: v_fma_f32 v1, v3, v1, v1 ; FMA-NEXT: s_setpc_b64 s[30:31] ; ; NOFUSE-LABEL: unsafe_fmul_fadd_distribute_fast_v2f32: ; NOFUSE: ; %bb.0: ; NOFUSE-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; NOFUSE-NEXT: v_add_f32_e32 v3, 1.0, v3 ; NOFUSE-NEXT: v_add_f32_e32 v2, 1.0, v2 ; NOFUSE-NEXT: v_mul_f32_e32 v0, v0, v2 ; NOFUSE-NEXT: v_mul_f32_e32 v1, v1, v3 ; NOFUSE-NEXT: s_setpc_b64 s[30:31] ; ; FMAD-LABEL: unsafe_fmul_fadd_distribute_fast_v2f32: ; FMAD: ; %bb.0: ; FMAD-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; FMAD-NEXT: v_mac_f32_e32 v0, v2, v0 ; FMAD-NEXT: v_mac_f32_e32 v1, v3, v1 ; FMAD-NEXT: s_setpc_b64 s[30:31] %add = fadd fast <2 x float> %arg1, %tmp1 = fmul fast <2 x float> %arg0, %add ret <2 x float> %tmp1 } define <2 x float> @unsafe_fmul_fsub_distribute_fast_v2f32(<2 x float> %arg0, <2 x float> %arg1) #0 { ; FMA-LABEL: unsafe_fmul_fsub_distribute_fast_v2f32: ; FMA: ; %bb.0: ; FMA-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; FMA-NEXT: v_fma_f32 v0, -v2, v0, v0 ; FMA-NEXT: v_fma_f32 v1, -v3, v1, v1 ; FMA-NEXT: s_setpc_b64 s[30:31] ; ; NOFUSE-LABEL: unsafe_fmul_fsub_distribute_fast_v2f32: ; NOFUSE: ; %bb.0: ; NOFUSE-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; NOFUSE-NEXT: v_sub_f32_e32 v3, 1.0, v3 ; NOFUSE-NEXT: v_sub_f32_e32 v2, 1.0, v2 ; NOFUSE-NEXT: v_mul_f32_e32 v0, v0, v2 ; NOFUSE-NEXT: v_mul_f32_e32 v1, v1, v3 ; NOFUSE-NEXT: s_setpc_b64 s[30:31] ; ; FMAD-LABEL: unsafe_fmul_fsub_distribute_fast_v2f32: ; FMAD: ; %bb.0: ; FMAD-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; FMAD-NEXT: v_mad_f32 v0, -v2, v0, v0 ; FMAD-NEXT: v_mad_f32 v1, -v3, v1, v1 ; FMAD-NEXT: s_setpc_b64 s[30:31] %add = fsub fast <2 x float> , %arg1 %tmp1 = fmul fast <2 x float> %arg0, %add ret <2 x float> %tmp1 } define <2 x float> @unsafe_fast_fmul_fadd_distribute_post_legalize_f32(float %arg0, <2 x float> %arg1) #0 { ; FMA-LABEL: unsafe_fast_fmul_fadd_distribute_post_legalize_f32: ; FMA: ; %bb.0: ; FMA-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; FMA-NEXT: v_fma_f32 v0, v0, v1, v1 ; FMA-NEXT: s_setpc_b64 s[30:31] ; ; NOFUSE-LABEL: unsafe_fast_fmul_fadd_distribute_post_legalize_f32: ; NOFUSE: ; %bb.0: ; NOFUSE-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; NOFUSE-NEXT: v_add_f32_e32 v0, 1.0, v0 ; NOFUSE-NEXT: v_mul_f32_e32 v0, v1, v0 ; NOFUSE-NEXT: s_setpc_b64 s[30:31] ; ; FMAD-LABEL: unsafe_fast_fmul_fadd_distribute_post_legalize_f32: ; FMAD: ; %bb.0: ; FMAD-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; FMAD-NEXT: v_mad_f32 v0, v0, v1, v1 ; FMAD-NEXT: s_setpc_b64 s[30:31] %add = fadd fast float %arg0, 1.0 %splat = insertelement <2 x float> undef, float %add, i32 0 %tmp1 = fmul fast <2 x float> %arg1, %splat ret <2 x float> %tmp1 } define <2 x float> @unsafe_fast_fmul_fsub_ditribute_post_legalize(float %arg0, <2 x float> %arg1) #0 { ; FMA-LABEL: unsafe_fast_fmul_fsub_ditribute_post_legalize: ; FMA: ; %bb.0: ; FMA-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; FMA-NEXT: v_fma_f32 v0, -v0, v1, v1 ; FMA-NEXT: s_setpc_b64 s[30:31] ; ; NOFUSE-LABEL: unsafe_fast_fmul_fsub_ditribute_post_legalize: ; NOFUSE: ; %bb.0: ; NOFUSE-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; NOFUSE-NEXT: v_sub_f32_e32 v0, 1.0, v0 ; NOFUSE-NEXT: v_mul_f32_e32 v0, v1, v0 ; NOFUSE-NEXT: s_setpc_b64 s[30:31] ; ; FMAD-LABEL: unsafe_fast_fmul_fsub_ditribute_post_legalize: ; FMAD: ; %bb.0: ; FMAD-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; FMAD-NEXT: v_mad_f32 v0, -v0, v1, v1 ; FMAD-NEXT: s_setpc_b64 s[30:31] %sub = fsub fast float 1.0, %arg0 %splat = insertelement <2 x float> undef, float %sub, i32 0 %tmp1 = fmul fast <2 x float> %arg1, %splat ret <2 x float> %tmp1 } attributes #0 = { "no-infs-fp-math"="true" "unsafe-fp-math"="true" }