e390c229a4
Here is the list of the renamed passes: - `callbrprepare` -> `callbr-prepare` - `dwarfehprepare` -> `dwarf-eh-prepare` - `flattencfg` -> `flatten-cfg` - `loweratomic` -> `lower-atomic` - `lowerinvoke` -> `lower-invoke` - `lowerswitch` -> `lower-switch` - `winehprepare` -> `win-eh-prepare` - `targetir` -> `target-ir` - `targetlibinfo` -> `target-lib-info` Legacy passes are not affected.
48 lines
1.8 KiB
LLVM
48 lines
1.8 KiB
LLVM
; RUN: opt < %s -passes=licm -pass-remarks-missed=licm -o /dev/null 2>&1 | FileCheck %s
|
|
; RUN: opt -aa-pipeline=basic-aa -passes='require<aa>,require<target-ir>,require<scalar-evolution>,require<opt-remark-emit>,loop-mssa(licm)' %s -o /dev/null -pass-remarks-missed=licm 2>&1 | FileCheck %s
|
|
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
|
|
|
|
; With the load from %p conditional, we can't optmize this and the remark
|
|
; should tell us about it.
|
|
|
|
define void @test(ptr %array, ptr noalias %p) {
|
|
Entry:
|
|
br label %Loop
|
|
|
|
Loop:
|
|
%j = phi i32 [ 0, %Entry ], [ %Next, %else]
|
|
%addr = getelementptr i32, ptr %array, i32 %j
|
|
%a = load i32, ptr %addr
|
|
%c = icmp eq i32 %a, 0
|
|
br i1 %c, label %then, label %else
|
|
|
|
then:
|
|
; CHECK: remark: /tmp/kk.c:2:20: failed to hoist load with loop-invariant address because load is conditionally executed
|
|
%b = load i32, ptr %p, !dbg !8
|
|
%a2 = add i32 %a, %b
|
|
store i32 %a2, ptr %addr
|
|
br label %else
|
|
|
|
else:
|
|
%Next = add i32 %j, 1
|
|
%cond = icmp eq i32 %Next, 0
|
|
br i1 %cond, label %Out, label %Loop
|
|
|
|
Out:
|
|
ret void
|
|
}
|
|
|
|
!llvm.dbg.cu = !{!0}
|
|
!llvm.module.flags = !{!3, !4}
|
|
!llvm.ident = !{!5}
|
|
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: NoDebug, enums: !2)
|
|
!1 = !DIFile(filename: "/tmp/kk.c", directory: "/tmp")
|
|
!2 = !{}
|
|
!3 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!4 = !{i32 1, !"PIC Level", i32 2}
|
|
!5 = !{!"clang version 3.9.0 "}
|
|
!6 = distinct !DISubprogram(name: "success", scope: !1, file: !1, line: 1, type: !7, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2)
|
|
!7 = !DISubroutineType(types: !2)
|
|
!8 = !DILocation(line: 2, column: 20, scope: !6)
|