| ; RUN: opt -mtriple=x86_64-unknown-linux-gnu -S -debugify -codegenprepare < %s | FileCheck %s |
| |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @x = external global [1 x [2 x <4 x float>]] |
| |
| declare void @foo(i32) |
| |
| declare void @slowpath(i32, i32*) |
| |
| ; Is DI maintained after sinking bitcast? |
| define void @test(i1 %cond, i64* %base) { |
| ; CHECK-LABEL: @test |
| entry: |
| %addr = getelementptr inbounds i64, i64* %base, i64 5 |
| %casted = bitcast i64* %addr to i32* |
| br i1 %cond, label %if.then, label %fallthrough |
| |
| if.then: |
| ; CHECK-LABEL: if.then: |
| ; CHECK: bitcast i64* %addr to i32*, !dbg ![[castLoc:[0-9]+]] |
| %v1 = load i32, i32* %casted, align 4 |
| call void @foo(i32 %v1) |
| %cmp = icmp eq i32 %v1, 0 |
| br i1 %cmp, label %rare.1, label %fallthrough |
| |
| fallthrough: |
| ret void |
| |
| rare.1: |
| ; CHECK-LABEL: rare.1: |
| ; CHECK: bitcast i64* %addr to i32*, !dbg ![[castLoc]] |
| call void @slowpath(i32 %v1, i32* %casted) ;; NOT COLD |
| br label %fallthrough |
| } |
| |
| ; Is DI maitained when a GEP with all zero indices gets converted to bitcast? |
| define void @test2() { |
| ; CHECK-LABEL: @test2 |
| load.i145: |
| ; CHECK: bitcast [1 x [2 x <4 x float>]]* @x to [2 x <4 x float>]*, !dbg ![[castLoc2:[0-9]+]] |
| %x_offset = getelementptr [1 x [2 x <4 x float>]], [1 x [2 x <4 x float>]]* @x, i32 0, i64 0 |
| ret void |
| } |
| |
| ; CHECK: ![[castLoc]] = !DILocation(line: 2 |
| ; CHECK: ![[castLoc2]] = !DILocation(line: 11 |
