maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[AMDGPU] Make movreld-bug test case more robust 

Without this, future optimizer improvements can optimize the entire
function to "return 0".
This commit is contained in:
Jay Foad 2020-09-11 10:23:04 +01:00
parent 5405ee553a
commit 06e356c81e
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
llvm/test/CodeGen/AMDGPU/movreld-bug.ll
View File

@ -8,14 +8,14 @@
; MOVREL-NEXT: v_movreld_b32_e32 v0,
; GPRIDX: s_set_gpr_idx_on s0, gpr_idx(DST)
; GPRIDX-NEXT: v_mov_b32_e32 v0, 0
; GPRIDX-NEXT: v_mov_b32_e32 v0, 1.0
; GPRIDX-NEXT: s_set_gpr_idx_off
; GCN-NEXT: v_mov_b32_e32 v0, v1
; GCN-NEXT: ; return
define amdgpu_ps float @main(i32 inreg %arg) #0 {
main_body:
%tmp24 = insertelement <16 x float> undef, float 0.000000e+00, i32 %arg
%tmp24 = insertelement <16 x float> zeroinitializer, float 1.000000e+00, i32 %arg
%tmp25 = extractelement <16 x float> %tmp24, i32 1
ret float %tmp25
}