[Lldb-commits] [libcxx] [llvm] [clang-tools-extra] [flang] [lldb] [lld] [clang] [compiler-rt] [libunwind] [AMDGPU] - Add constant folding for s_quadmask (PR #72381)

[Matt Arsenault via lldb-commits]

================
@@ -50,13 +49,10 @@ define i64 @test_quadmask_constant_i64() {
 ; GFX11-LABEL: test_quadmask_constant_i64:
 ; GFX11:       ; %bb.0: ; %entry
 ; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX11-NEXT:    s_mov_b32 s0, 0x85fe3a92
-; GFX11-NEXT:    s_mov_b32 s1, 0x67de48fc
-; GFX11-NEXT:    s_quadmask_b64 s[0:1], s[0:1]
-; GFX11-NEXT:    v_dual_mov_b32 v0, s0 :: v_dual_mov_b32 v1, s1
+; GFX11-NEXT:    v_dual_mov_b32 v0, 0xe3e6 :: v_dual_mov_b32 v1, 0
 ; GFX11-NEXT:    s_setpc_b64 s[30:31]
 entry:
-  %qm = call i64 @llvm.amdgcn.s.quadmask.i64(i64 u0x67DE48FC85FE3A92)
+  %qm = call i64 @llvm.amdgcn.s.quadmask.i64(i64 u0x67D000FC85F00A90)
----------------
arsenm wrote:

Test some additional values, especially 0, -1, undef and poison 

https://github.com/llvm/llvm-project/pull/72381
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