Skip to content

[AMDGPU] Add test cases for v_fmac_dx9_zero_f32 aka v_fmac_legacy_f32 #171108

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
jayfoad merged 1 commit into from
Dec 8, 2025
Merged

[AMDGPU] Add test cases for v_fmac_dx9_zero_f32 aka v_fmac_legacy_f32 #171108

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
40 changes: 36 additions & 4 deletions llvm/test/CodeGen/AMDGPU/llvm.amdgcn.fma.legacy.ll
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1030 < %s | FileCheck -check-prefix=GFX10 %s
; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1030 < %s | FileCheck -check-prefix=GFX10 %s
; RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1100 < %s | FileCheck -check-prefix=GFX11 %s
; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1100 < %s | FileCheck -check-prefix=GFX11 %s
; RUN: llc -global-isel=0 -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1030 < %s | FileCheck -check-prefix=GFX10 %s
; RUN: llc -global-isel=1 -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1030 < %s | FileCheck -check-prefix=GFX10 %s
; RUN: llc -global-isel=0 -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1100 < %s | FileCheck -check-prefix=GFX11 %s
; RUN: llc -global-isel=1 -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1100 < %s | FileCheck -check-prefix=GFX11 %s

define float @v_fma(float %a, float %b, float %c) {
; GFX10-LABEL: v_fma:
Expand All @@ -20,6 +20,22 @@ define float @v_fma(float %a, float %b, float %c) {
ret float %fma
}

define float @v_fmac(float %a, float %b, float %c) {
; GFX10-LABEL: v_fmac:
; GFX10: ; %bb.0:
; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX10-NEXT: v_fmac_legacy_f32_e32 v0, v1, v2
; GFX10-NEXT: s_setpc_b64 s[30:31]
;
; GFX11-LABEL: v_fmac:
; GFX11: ; %bb.0:
; GFX11-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX11-NEXT: v_fmac_dx9_zero_f32_e32 v0, v1, v2
; GFX11-NEXT: s_setpc_b64 s[30:31]
%fma = call float @llvm.amdgcn.fma.legacy(float %b, float %c, float %a)
ret float %fma
}

define float @v_fma_imm(float %a, float %c) {
; GFX10-LABEL: v_fma_imm:
; GFX10: ; %bb.0:
Expand All @@ -36,6 +52,22 @@ define float @v_fma_imm(float %a, float %c) {
ret float %fma
}

define float @v_fmac_imm(float %a, float %c) {
; GFX10-LABEL: v_fmac_imm:
; GFX10: ; %bb.0:
; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX10-NEXT: v_fmac_legacy_f32_e32 v0, 0x41200000, v1
; GFX10-NEXT: s_setpc_b64 s[30:31]
;
; GFX11-LABEL: v_fmac_imm:
; GFX11: ; %bb.0:
; GFX11-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX11-NEXT: v_fmac_dx9_zero_f32_e32 v0, 0x41200000, v1
; GFX11-NEXT: s_setpc_b64 s[30:31]
%fma = call float @llvm.amdgcn.fma.legacy(float 10.0, float %c, float %a)
ret float %fma
}

define float @v_fabs_fma(float %a, float %b, float %c) {
; GFX10-LABEL: v_fabs_fma:
; GFX10: ; %bb.0:
Expand Down
Loading