[clang] [CIR][AArch64] Handle constrained Neon FMA and sqrt (PR #218307)

[Yair Ben Avraham via cfe-commits]

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@@ -0,0 +1,35 @@
+// REQUIRES: aarch64-registered-target
+
+// RUN: %clang_cc1_cg_arm64_neon -target-feature +fullfp16 -ffp-exception-behavior=strict -emit-llvm %s -disable-O0-optnone | opt -S -passes=mem2reg,simplifycfg | FileCheck %s --check-prefix=LLVM --implicit-check-not=' @llvm.fma.' --implicit-check-not=' @llvm.sqrt.'
+// RUN: %if cir-enabled %{%clang_cc1_cg_arm64_neon -target-feature +fullfp16 -fexperimental-strict-floating-point -ffp-exception-behavior=maytrap -DEXCEPT=1 -fclangir -emit-llvm %s -disable-O0-optnone | opt -S -passes=mem2reg,simplifycfg | FileCheck %s --check-prefix=LLVM --implicit-check-not=fpexcept.maytrap --implicit-check-not=' @llvm.fma.' --implicit-check-not=' @llvm.sqrt.' %}
+// RUN: %if cir-enabled %{%clang_cc1_cg_arm64_neon -target-feature +fullfp16 -fexperimental-strict-floating-point -ffp-exception-behavior=maytrap -DEXCEPT=1 -fclangir -emit-cir  %s -disable-O0-optnone |                                      FileCheck %s --check-prefix=CIR --implicit-check-not='except_mode = maytrap' --implicit-check-not='cir.call_llvm_intrinsic "fma"' --implicit-check-not='cir.call_llvm_intrinsic "sqrt"' %}
+// RUN: %if cir-enabled %{%clang_cc1_cg_arm64_neon -target-feature +fullfp16 -fexperimental-strict-floating-point -ffp-exception-behavior=strict             -fclangir -emit-llvm %s -disable-O0-optnone | opt -S -passes=mem2reg,simplifycfg | FileCheck %s --check-prefix=LLVM --implicit-check-not=' @llvm.fma.' --implicit-check-not=' @llvm.sqrt.' %}
+// RUN: %if cir-enabled %{%clang_cc1_cg_arm64_neon -target-feature +fullfp16 -fexperimental-strict-floating-point -ffp-exception-behavior=strict             -fclangir -emit-cir  %s -disable-O0-optnone |                                      FileCheck %s --check-prefix=CIR --implicit-check-not='cir.call_llvm_intrinsic "fma"' --implicit-check-not='cir.call_llvm_intrinsic "sqrt"' %}
+
+#if EXCEPT
+#pragma float_control(except, on)
+#endif
+
+#include <arm_fp16.h>
+
+// LLVM-LABEL: @test_vsqrth_f16(
+// CIR-LABEL: @test_vsqrth_f16(
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yairbenavraham wrote:

Addressed

https://github.com/llvm/llvm-project/pull/218307