| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -passes=memcpyopt -S -verify-memoryssa | FileCheck %s |
| target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64" |
| |
| %a = type { i32 } |
| %b = type { float } |
| |
| declare void @g(ptr nocapture) |
| |
| define float @f() { |
| ; CHECK-LABEL: @f( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[A_VAR:%.*]] = alloca [[A:%.*]], align 8 |
| ; CHECK-NEXT: [[B_VAR:%.*]] = alloca [[B:%.*]], align 8 |
| ; CHECK-NEXT: call void @g(ptr [[B_VAR]]) |
| ; CHECK-NEXT: [[TMP2:%.*]] = load float, ptr [[B_VAR]], align 4 |
| ; CHECK-NEXT: ret float [[TMP2]] |
| ; |
| entry: |
| %a_var = alloca %a |
| %b_var = alloca %b, align 1 |
| call void @g(ptr %a_var) |
| call void @llvm.memcpy.p0.p0.i32(ptr %b_var, ptr %a_var, i32 4, i1 false) |
| %tmp2 = load float, ptr %b_var |
| ret float %tmp2 |
| } |
| |
| declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture, i32, i1) nounwind |
