mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 20:23:11 +01:00
5ca2a16793
When a GEP with all zero indices is converted to bitcast, its DI wasn't copied over to the newly created instruction. This patch fixes that bug. Patch by Kareem Ergawy! Differential Revision: https://reviews.llvm.org/D47347 llvm-svn: 333235
48 lines
1.5 KiB
LLVM
48 lines
1.5 KiB
LLVM
; 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 |