| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -disable-O0-optnone -emit-llvm \ |
| // RUN: %s -o - | opt -S -passes=mem2reg | FileCheck %s |
| |
| // CHECK-LABEL: define dso_local half @test_convert_from_bf16_to_fp16( |
| // CHECK-SAME: bfloat noundef [[A:%.*]]) #[[ATTR0:[0-9]+]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[FPEXT:%.*]] = fpext bfloat [[A]] to float |
| // CHECK-NEXT: [[FPTRUNC:%.*]] = fptrunc float [[FPEXT]] to half |
| // CHECK-NEXT: ret half [[FPTRUNC]] |
| // |
| _Float16 test_convert_from_bf16_to_fp16(__bf16 a) { |
| return (_Float16)a; |
| } |
| |
| // CHECK-LABEL: define dso_local bfloat @test_convert_from_fp16_to_bf16( |
| // CHECK-SAME: half noundef [[A:%.*]]) #[[ATTR0]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[FPEXT:%.*]] = fpext half [[A]] to float |
| // CHECK-NEXT: [[FPTRUNC:%.*]] = fptrunc float [[FPEXT]] to bfloat |
| // CHECK-NEXT: ret bfloat [[FPTRUNC]] |
| // |
| __bf16 test_convert_from_fp16_to_bf16(_Float16 a) { |
| return (__bf16)a; |
| } |
| |
