[llvm] 56720a4 - [X86][StrictFP] Add missing patterns for AVX512 fmin/fmax (#116240)
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Fri Nov 15 03:10:00 PST 2024
Author: Phoebe Wang
Date: 2024-11-15T19:09:57+08:00
New Revision: 56720a47bb421c487d33aabad86e44e7cf2790bf
URL: https://github.com/llvm/llvm-project/commit/56720a47bb421c487d33aabad86e44e7cf2790bf
DIFF: https://github.com/llvm/llvm-project/commit/56720a47bb421c487d33aabad86e44e7cf2790bf.diff
LOG: [X86][StrictFP] Add missing patterns for AVX512 fmin/fmax (#116240)
Fix crash after #109512, see https://godbolt.org/z/M6aP5Ka4j
Added:
Modified:
llvm/lib/Target/X86/X86InstrAVX512.td
llvm/test/CodeGen/X86/vec-strict-cmp-128.ll
Removed:
################################################################################
diff --git a/llvm/lib/Target/X86/X86InstrAVX512.td b/llvm/lib/Target/X86/X86InstrAVX512.td
index 32c4ebc331f1d7..9480838e8a7bdf 100644
--- a/llvm/lib/Target/X86/X86InstrAVX512.td
+++ b/llvm/lib/Target/X86/X86InstrAVX512.td
@@ -5690,13 +5690,13 @@ defm VDIV : avx512_fp_binop_p<0x5E, "vdiv", any_fdiv, fdiv, HasAVX512,
SchedWriteFDivSizes>,
avx512_fp_binop_ph<0x5E, "vdiv", any_fdiv, fdiv, SchedWriteFDivSizes>,
avx512_fp_binop_p_round<0x5E, "vdiv", X86fdivRnd, SchedWriteFDivSizes>;
-defm VMIN : avx512_fp_binop_p<0x5D, "vmin", X86fmin, X86fmin, HasAVX512,
+defm VMIN : avx512_fp_binop_p<0x5D, "vmin", X86any_fmin, X86fmin, HasAVX512,
SchedWriteFCmpSizes, 0>,
- avx512_fp_binop_ph<0x5D, "vmin", X86fmin, X86fmin, SchedWriteFCmpSizes, 0>,
+ avx512_fp_binop_ph<0x5D, "vmin", X86any_fmin, X86fmin, SchedWriteFCmpSizes, 0>,
avx512_fp_binop_p_sae<0x5D, "vmin", X86fminSAE, SchedWriteFCmpSizes>;
-defm VMAX : avx512_fp_binop_p<0x5F, "vmax", X86fmax, X86fmax, HasAVX512,
+defm VMAX : avx512_fp_binop_p<0x5F, "vmax", X86any_fmax, X86fmax, HasAVX512,
SchedWriteFCmpSizes, 0>,
- avx512_fp_binop_ph<0x5F, "vmax", X86fmax, X86fmax, SchedWriteFCmpSizes, 0>,
+ avx512_fp_binop_ph<0x5F, "vmax", X86any_fmax, X86fmax, SchedWriteFCmpSizes, 0>,
avx512_fp_binop_p_sae<0x5F, "vmax", X86fmaxSAE, SchedWriteFCmpSizes>;
let isCodeGenOnly = 1 in {
defm VMINC : avx512_fp_binop_p<0x5D, "vmin", X86fminc, X86fminc, HasAVX512,
diff --git a/llvm/test/CodeGen/X86/vec-strict-cmp-128.ll b/llvm/test/CodeGen/X86/vec-strict-cmp-128.ll
index 008435b47b53a2..66f91dbe2d63a3 100644
--- a/llvm/test/CodeGen/X86/vec-strict-cmp-128.ll
+++ b/llvm/test/CodeGen/X86/vec-strict-cmp-128.ll
@@ -6040,6 +6040,53 @@ define <2 x i64> @test_v2f64_uno_s(<2 x i64> %a, <2 x i64> %b, <2 x double> %f1,
ret <2 x i64> %res
}
+define <2 x double> @test_v4f64_ogt2_s(<2 x double> %a, <2 x double> %b) #0 {
+; SSE-32-LABEL: test_v4f64_ogt2_s:
+; SSE-32: # %bb.0:
+; SSE-32-NEXT: maxpd %xmm1, %xmm0
+; SSE-32-NEXT: retl
+;
+; SSE-64-LABEL: test_v4f64_ogt2_s:
+; SSE-64: # %bb.0:
+; SSE-64-NEXT: maxpd %xmm1, %xmm0
+; SSE-64-NEXT: retq
+;
+; AVX-32-LABEL: test_v4f64_ogt2_s:
+; AVX-32: # %bb.0:
+; AVX-32-NEXT: vmaxpd %xmm1, %xmm0, %xmm0
+; AVX-32-NEXT: retl
+;
+; AVX-64-LABEL: test_v4f64_ogt2_s:
+; AVX-64: # %bb.0:
+; AVX-64-NEXT: vmaxpd %xmm1, %xmm0, %xmm0
+; AVX-64-NEXT: retq
+;
+; AVX512-32-LABEL: test_v4f64_ogt2_s:
+; AVX512-32: # %bb.0:
+; AVX512-32-NEXT: vmaxpd %xmm1, %xmm0, %xmm0
+; AVX512-32-NEXT: retl
+;
+; AVX512-64-LABEL: test_v4f64_ogt2_s:
+; AVX512-64: # %bb.0:
+; AVX512-64-NEXT: vmaxpd %xmm1, %xmm0, %xmm0
+; AVX512-64-NEXT: retq
+;
+; AVX512F-32-LABEL: test_v4f64_ogt2_s:
+; AVX512F-32: # %bb.0:
+; AVX512F-32-NEXT: vmaxpd %xmm1, %xmm0, %xmm0
+; AVX512F-32-NEXT: retl
+;
+; AVX512F-64-LABEL: test_v4f64_ogt2_s:
+; AVX512F-64: # %bb.0:
+; AVX512F-64-NEXT: vmaxpd %xmm1, %xmm0, %xmm0
+; AVX512F-64-NEXT: retq
+ %cond = call <2 x i1> @llvm.experimental.constrained.fcmps.v2f64(
+ <2 x double> %a, <2 x double> %b, metadata !"ogt",
+ metadata !"fpexcept.strict") #0
+ %res = select <2 x i1> %cond, <2 x double> %a, <2 x double> %b
+ ret <2 x double> %res
+}
+
attributes #0 = { strictfp nounwind }
declare <4 x i1> @llvm.experimental.constrained.fcmp.v4f32(<4 x float>, <4 x float>, metadata, metadata)
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