1; RUN: opt -mtriple=x86_64-unknown-linux-gnu -S -debugify -codegenprepare < %s | FileCheck %s 2 3target 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" 4target triple = "x86_64-unknown-linux-gnu" 5 6@x = external global [1 x [2 x <4 x float>]] 7 8declare void @foo(i32) 9 10declare void @slowpath(i32, i32*) 11 12; Is DI maintained after sinking bitcast? 13define void @test(i1 %cond, i64* %base) { 14; CHECK-LABEL: @test 15entry: 16 %addr = getelementptr inbounds i64, i64* %base, i64 5 17 %casted = bitcast i64* %addr to i32* 18 br i1 %cond, label %if.then, label %fallthrough 19 20if.then: 21; CHECK-LABEL: if.then: 22; CHECK: bitcast i64* %addr to i32*, !dbg ![[castLoc:[0-9]+]] 23 %v1 = load i32, i32* %casted, align 4 24 call void @foo(i32 %v1) 25 %cmp = icmp eq i32 %v1, 0 26 br i1 %cmp, label %rare.1, label %fallthrough 27 28fallthrough: 29 ret void 30 31rare.1: 32; CHECK-LABEL: rare.1: 33; CHECK: bitcast i64* %addr to i32*, !dbg ![[castLoc]] 34 call void @slowpath(i32 %v1, i32* %casted) ;; NOT COLD 35 br label %fallthrough 36} 37 38; Is DI maitained when a GEP with all zero indices gets converted to bitcast? 39define void @test2() { 40; CHECK-LABEL: @test2 41load.i145: 42; CHECK: bitcast [1 x [2 x <4 x float>]]* @x to [2 x <4 x float>]*, !dbg ![[castLoc2:[0-9]+]] 43 %x_offset = getelementptr [1 x [2 x <4 x float>]], [1 x [2 x <4 x float>]]* @x, i32 0, i64 0 44 ret void 45} 46 47; CHECK: ![[castLoc]] = !DILocation(line: 2 48; CHECK: ![[castLoc2]] = !DILocation(line: 11