[clang] [llvm] [Clang][AMDGPU] Add __builtin_amdgcn_cvt_off_f32_i4 (PR #133741)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,15 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
+// RUN: %clang_cc1 %s -O0 -triple amdgcn-amd-amdhsa -cl-std=CL1.2 \
+// RUN:     -emit-llvm -o - | FileCheck %s
+
+// CHECK-LABEL: @test_builtin_amdgcn_cvt_off_f32_i4(
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[N_ADDR:%.*]] = alloca i32, align 4, addrspace(5)
+// CHECK-NEXT:    store i32 [[N:%.*]], ptr addrspace(5) [[N_ADDR]], align 4
+// CHECK-NEXT:    [[TMP0:%.*]] = load i32, ptr addrspace(5) [[N_ADDR]], align 4
+// CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.amdgcn.cvt.off.f32.i4(i32 [[TMP0]])
+// CHECK-NEXT:    ret float [[TMP1]]
+//
+float test_builtin_amdgcn_cvt_off_f32_i4(unsigned n) {
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arsenm wrote:

test with signed and unsigned inputs 

https://github.com/llvm/llvm-project/pull/133741