llvm-project/llvm/test/Transforms/JumpThreading/branch-debug-info.ll

42 lines
832 B
LLVM

; RUN: opt %s -debugify -jump-threading -S | FileCheck %s
; Tests Bug 37966
define void @test0(i32 %i) {
; CHECK-LABEL: @test0(
; CHECK: left:
; CHECK: br label %left, !dbg ![[DBG0:[0-9]+]]
entry:
%c0 = icmp ult i32 %i, 5
br i1 %c0, label %left, label %right
left:
br i1 %c0, label %left, label %right ; "line 3" to -debugify
right:
ret void
}
define void @test1(i32 %i, i32 %len) {
; CHECK-LABEL: @test1(
; CHECK: left:
; CHECK: br label %right, !dbg ![[DBG1:[0-9]+]]
entry:
%i.inc = add nuw i32 %i, 1
%c0 = icmp ult i32 %i.inc, %len
br i1 %c0, label %left, label %right
left:
%c1 = icmp ult i32 %i, %len
br i1 %c1, label %right, label %left0 ; "line 9" to -debugify
left0:
ret void
right:
ret void
}
; CHECK-DAG: ![[DBG0]] = !DILocation(line: 3,
; CHECK-DAG: ![[DBG1]] = !DILocation(line: 9,