Author: Kartik Ohlan
Date: 2026-06-04T15:49:18+01:00
New Revision: 6530683b31d8b9a3cb7e04eae7c59abeb223faae

URL: 
https://github.com/llvm/llvm-project/commit/6530683b31d8b9a3cb7e04eae7c59abeb223faae
DIFF: 
https://github.com/llvm/llvm-project/commit/6530683b31d8b9a3cb7e04eae7c59abeb223faae.diff

LOG: [CIR] Maximum across vector (IEEE754) (#199779)

Part of https://github.com/llvm/llvm-project/issues/185382

Move the test cases to

[intrinsics.c](https://github.com/llvm/llvmproject/pull/clang/test/CodeGen/AArch64/neon/intrinsics.c)
Removed the test cases from

[neon-intrinsics.c](https://github.com/llvm/llvmproject/pull/clang/test/CodeGen/AArch64/neon/intrinsics.c)

Removed [neon-across.c](clang/test/CodeGen/AArch64/neon-across.c)

---------

Co-authored-by: Andrzej WarzyƄski <[email protected]>

Added: 
    

Modified: 
    clang/lib/CIR/CodeGen/CIRGenBuiltinAArch64.cpp
    clang/test/CodeGen/AArch64/neon-intrinsics.c
    clang/test/CodeGen/AArch64/neon/intrinsics.c

Removed: 
    clang/test/CodeGen/AArch64/neon-across.c


################################################################################
diff  --git a/clang/lib/CIR/CodeGen/CIRGenBuiltinAArch64.cpp 
b/clang/lib/CIR/CodeGen/CIRGenBuiltinAArch64.cpp
index 31021170139fb..81f66727b251c 100644
--- a/clang/lib/CIR/CodeGen/CIRGenBuiltinAArch64.cpp
+++ b/clang/lib/CIR/CodeGen/CIRGenBuiltinAArch64.cpp
@@ -434,6 +434,9 @@ static mlir::Value emitCommonNeonSISDBuiltinExpr(
   case NEON::BI__builtin_neon_vqrshrund_n_s64:
   case NEON::BI__builtin_neon_vqrshrnd_n_s64:
   case NEON::BI__builtin_neon_vqrshrnd_n_u64:
+  case NEON::BI__builtin_neon_vmaxnmv_f32:
+  case NEON::BI__builtin_neon_vmaxnmvq_f32:
+  case NEON::BI__builtin_neon_vmaxnmvq_f64:
   case NEON::BI__builtin_neon_vsrid_n_s64:
   case NEON::BI__builtin_neon_vsrid_n_u64:
     break;

diff  --git a/clang/test/CodeGen/AArch64/neon-across.c 
b/clang/test/CodeGen/AArch64/neon-across.c
deleted file mode 100644
index f248e31b374ba..0000000000000
--- a/clang/test/CodeGen/AArch64/neon-across.c
+++ /dev/null
@@ -1,18 +0,0 @@
-// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py 
UTC_ARGS: --function-signature
-// RUN: %clang_cc1 -triple arm64-none-linux-gnu -target-feature +neon \
-// RUN:  -disable-O0-optnone -emit-llvm -o - %s | opt -S -passes=mem2reg | 
FileCheck %s
-
-// REQUIRES: aarch64-registered-target || arm-registered-target
-
-#include <arm_neon.h>
-
-
-// CHECK-LABEL: define {{[^@]+}}@test_vmaxnmvq_f32
-// CHECK-SAME: (<4 x float> noundef [[A:%.*]]) #[[ATTR0:[0-9]+]] {
-// CHECK-NEXT:  entry:
-// CHECK-NEXT:    [[VMAXNMVQ_F32_I:%.*]] = call float 
@llvm.aarch64.neon.fmaxnmv.f32.v4f32(<4 x float> [[A]])
-// CHECK-NEXT:    ret float [[VMAXNMVQ_F32_I]]
-//
-float32_t test_vmaxnmvq_f32(float32x4_t a) {
-  return vmaxnmvq_f32(a);
-}

diff  --git a/clang/test/CodeGen/AArch64/neon-intrinsics.c 
b/clang/test/CodeGen/AArch64/neon-intrinsics.c
index c4eac89e78bc1..34cdeb6a9e571 100644
--- a/clang/test/CodeGen/AArch64/neon-intrinsics.c
+++ b/clang/test/CodeGen/AArch64/neon-intrinsics.c
@@ -18720,26 +18720,6 @@ int64x1_t test_vneg_s64(int64x1_t a) {
   return vneg_s64(a);
 }
 
-// CHECK-LABEL: define dso_local double @test_vmaxnmvq_f64(
-// CHECK-SAME: <2 x double> noundef [[A:%.*]]) #[[ATTR0]] {
-// CHECK-NEXT:  [[ENTRY:.*:]]
-// CHECK-NEXT:    [[VMAXNMVQ_F64_I:%.*]] = call double 
@llvm.aarch64.neon.fmaxnmv.f64.v2f64(<2 x double> [[A]])
-// CHECK-NEXT:    ret double [[VMAXNMVQ_F64_I]]
-//
-float64_t test_vmaxnmvq_f64(float64x2_t a) {
-  return vmaxnmvq_f64(a);
-}
-
-// CHECK-LABEL: define dso_local float @test_vmaxnmv_f32(
-// CHECK-SAME: <2 x float> noundef [[A:%.*]]) #[[ATTR0]] {
-// CHECK-NEXT:  [[ENTRY:.*:]]
-// CHECK-NEXT:    [[VMAXNMV_F32_I:%.*]] = call float 
@llvm.aarch64.neon.fmaxnmv.f32.v2f32(<2 x float> [[A]])
-// CHECK-NEXT:    ret float [[VMAXNMV_F32_I]]
-//
-float32_t test_vmaxnmv_f32(float32x2_t a) {
-  return vmaxnmv_f32(a);
-}
-
 // CHECK-LABEL: define dso_local <2 x i64> @test_vpaddq_s64(
 // CHECK-SAME: <2 x i64> noundef [[A:%.*]], <2 x i64> noundef [[B:%.*]]) 
#[[ATTR0]] {
 // CHECK-NEXT:  [[ENTRY:.*:]]

diff  --git a/clang/test/CodeGen/AArch64/neon/intrinsics.c 
b/clang/test/CodeGen/AArch64/neon/intrinsics.c
index efa2691ef611e..f3c1014a5613d 100644
--- a/clang/test/CodeGen/AArch64/neon/intrinsics.c
+++ b/clang/test/CodeGen/AArch64/neon/intrinsics.c
@@ -24,6 +24,41 @@
 
 #include <arm_neon.h>
 
+//===------------------------------------------------------===//
+// 2.1.1.13.5  Maximum across vector (IEEE754)
+// 
https://arm-software.github.io/acle/neon_intrinsics/advsimd.html#maximum-across-vector-ieee754
+//===------------------------------------------------------===//
+
+//ALL-LABEL: @test_vmaxnmv_f32(
+float32_t test_vmaxnmv_f32(float32x2_t a) {
+  //CIR: cir.call @vmaxnmv_f32
+
+  // LLVM-SAME: <2 x float> {{.*}} [[A:%.*]])
+  // LLVM:  [[VMAXNMV_F32_I:%.*]] = call float 
@llvm.aarch64.neon.fmaxnmv.f32.v2f32(<2 x float> [[A]])
+  // LLVM: ret float [[VMAXNMV_F32_I]]
+  return vmaxnmv_f32(a);
+}
+
+// ALL-LABEL: @test_vmaxnmvq_f32(
+float32_t test_vmaxnmvq_f32(float32x4_t a) {
+  //CIR: cir.call @vmaxnmvq_f32
+
+  // LLVM-SAME: <4 x float> {{.*}}[[A:%.*]])
+  // LLVM:      [[VMAXNMVQ_F32_I:%.*]] = call float 
@llvm.aarch64.neon.fmaxnmv.f32.v4f32(<4 x float> [[A]])
+  // LLVM:      ret float [[VMAXNMVQ_F32_I]]
+  return vmaxnmvq_f32(a);
+}
+
+// ALL-LABEL: @test_vmaxnmvq_f64(
+float64_t test_vmaxnmvq_f64(float64x2_t a) {
+  //CIR: cir.call @vmaxnmvq_f64
+
+  // LLVM-SAME: <2 x double> {{.*}}[[A:%.*]])
+  // LLVM:      [[VMAXNMVQ_F64_I:%.*]] = call double 
@llvm.aarch64.neon.fmaxnmv.f64.v2f64(<2 x double> [[A]])
+  // LLVM:      ret double [[VMAXNMVQ_F64_I]]
+  return vmaxnmvq_f64(a);
+}
+
 //===------------------------------------------------------===//
 // 2.1.3.2.7  Vector saturating rounding shift right and narrow
 // TODO: Implement SISD variants


        
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