mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-22 10:42:39 +01:00
177 lines
7.8 KiB
LLVM
177 lines
7.8 KiB
LLVM
; RUN: llc -enable-shrink-wrap=true < %s | FileCheck %s --check-prefix=ASM
|
|
; RUN: llc -enable-shrink-wrap=true -filetype=obj < %s | llvm-readobj -codeview | FileCheck %s --check-prefix=OBJ
|
|
|
|
; C source:
|
|
; int doSomething(int*);
|
|
; int __fastcall shrink_wrap_basic(int a, int b, int c, int d) {
|
|
; if (a < b)
|
|
; return a;
|
|
; for (int i = c; i < d; ++i)
|
|
; doSomething(&c);
|
|
; return doSomething(&c);
|
|
; }
|
|
|
|
; ASM: @shrink_wrap_basic@16: # @"\01@shrink_wrap_basic@16"
|
|
; ASM: .cv_fpo_proc @shrink_wrap_basic@16 8
|
|
; ASM: .cv_loc 0 1 3 9 # t.c:3:9
|
|
; ASM: movl %ecx, %eax
|
|
; ASM: cmpl %edx, %ecx
|
|
; ASM: jl [[EPILOGUE:LBB0_[0-9]+]]
|
|
|
|
; ASM: pushl %ebx
|
|
; ASM: .cv_fpo_pushreg %ebx
|
|
; ASM: pushl %edi
|
|
; ASM: .cv_fpo_pushreg %edi
|
|
; ASM: pushl %esi
|
|
; ASM: .cv_fpo_pushreg %esi
|
|
; ASM: .cv_fpo_endprologue
|
|
|
|
; ASM: calll _doSomething
|
|
|
|
; ASM: popl %esi
|
|
; ASM: popl %edi
|
|
; ASM: popl %ebx
|
|
; ASM: [[EPILOGUE]]: # %return
|
|
; ASM: retl $8
|
|
; ASM: Ltmp11:
|
|
; ASM: .cv_fpo_endproc
|
|
|
|
; Note how RvaStart advances 7 bytes to skip the shrink-wrapped portion.
|
|
; OBJ: SubSectionType: FrameData (0xF5)
|
|
; OBJ: FrameData {
|
|
; OBJ: RvaStart: 0x0
|
|
; OBJ: CodeSize: 0x34
|
|
; OBJ: PrologSize: 0x9
|
|
; OBJ: FrameFunc [
|
|
; OBJ-NEXT: $T0 .raSearch =
|
|
; OBJ-NEXT: $eip $T0 ^ =
|
|
; OBJ-NEXT: $esp $T0 4 + =
|
|
; OBJ-NEXT: ]
|
|
; OBJ: }
|
|
; OBJ: FrameData {
|
|
; OBJ: RvaStart: 0x7
|
|
; OBJ: CodeSize: 0x2D
|
|
; OBJ: PrologSize: 0x2
|
|
; OBJ: FrameFunc [
|
|
; OBJ-NEXT: $T0 .raSearch =
|
|
; OBJ-NEXT: $eip $T0 ^ =
|
|
; OBJ-NEXT: $esp $T0 4 + =
|
|
; OBJ-NEXT: $ebx $T0 4 - ^ =
|
|
; OBJ-NEXT: ]
|
|
; OBJ: }
|
|
; OBJ: FrameData {
|
|
; OBJ: RvaStart: 0x8
|
|
; OBJ: CodeSize: 0x2C
|
|
; OBJ: PrologSize: 0x1
|
|
; OBJ: FrameFunc [
|
|
; OBJ-NEXT: $T0 .raSearch =
|
|
; OBJ-NEXT: $eip $T0 ^ =
|
|
; OBJ-NEXT: $esp $T0 4 + =
|
|
; OBJ-NEXT: $ebx $T0 4 - ^ =
|
|
; OBJ-NEXT: $edi $T0 8 - ^ =
|
|
; OBJ-NEXT: ]
|
|
; OBJ: }
|
|
; OBJ: FrameData {
|
|
; OBJ: RvaStart: 0x9
|
|
; OBJ: CodeSize: 0x2B
|
|
; OBJ: PrologSize: 0x0
|
|
; OBJ: FrameFunc [
|
|
; OBJ-NEXT: $T0 .raSearch =
|
|
; OBJ-NEXT: $eip $T0 ^ =
|
|
; OBJ-NEXT: $esp $T0 4 + =
|
|
; OBJ-NEXT: $ebx $T0 4 - ^ =
|
|
; OBJ-NEXT: $edi $T0 8 - ^ =
|
|
; OBJ-NEXT: $esi $T0 12 - ^ =
|
|
; OBJ-NEXT: ]
|
|
; OBJ: }
|
|
; OBJ-NOT: FrameData
|
|
|
|
; ModuleID = 't.c'
|
|
source_filename = "t.c"
|
|
target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
|
|
target triple = "i386-pc-windows-msvc19.11.25508"
|
|
|
|
; Function Attrs: nounwind
|
|
define x86_fastcallcc i32 @"\01@shrink_wrap_basic@16"(i32 inreg %a, i32 inreg %b, i32 %c, i32 %d) local_unnamed_addr #0 !dbg !8 {
|
|
entry:
|
|
%c.addr = alloca i32, align 4
|
|
tail call void @llvm.dbg.value(metadata i32 %d, metadata !13, metadata !DIExpression()), !dbg !19
|
|
tail call void @llvm.dbg.value(metadata i32 %c, metadata !14, metadata !DIExpression()), !dbg !20
|
|
store i32 %c, i32* %c.addr, align 4, !tbaa !21
|
|
tail call void @llvm.dbg.value(metadata i32 %b, metadata !15, metadata !DIExpression()), !dbg !25
|
|
tail call void @llvm.dbg.value(metadata i32 %a, metadata !16, metadata !DIExpression()), !dbg !26
|
|
%cmp = icmp slt i32 %a, %b, !dbg !27
|
|
br i1 %cmp, label %return, label %for.cond.preheader, !dbg !29
|
|
|
|
for.cond.preheader: ; preds = %entry
|
|
br label %for.cond, !dbg !30
|
|
|
|
for.cond: ; preds = %for.cond.preheader, %for.cond
|
|
%i.0 = phi i32 [ %inc, %for.cond ], [ %c, %for.cond.preheader ]
|
|
call void @llvm.dbg.value(metadata i32 %i.0, metadata !17, metadata !DIExpression()), !dbg !32
|
|
%cmp1 = icmp slt i32 %i.0, %d, !dbg !30
|
|
call void @llvm.dbg.value(metadata i32* %c.addr, metadata !14, metadata !DIExpression()), !dbg !20
|
|
%call = call i32 @doSomething(i32* nonnull %c.addr) #3, !dbg !33
|
|
%inc = add nsw i32 %i.0, 1, !dbg !34
|
|
call void @llvm.dbg.value(metadata i32 %inc, metadata !17, metadata !DIExpression()), !dbg !32
|
|
br i1 %cmp1, label %for.cond, label %return, !dbg !35, !llvm.loop !36
|
|
|
|
return: ; preds = %for.cond, %entry
|
|
%retval.0 = phi i32 [ %a, %entry ], [ %call, %for.cond ]
|
|
ret i32 %retval.0, !dbg !38
|
|
}
|
|
|
|
declare i32 @doSomething(i32*) local_unnamed_addr #1
|
|
|
|
; Function Attrs: nounwind readnone speculatable
|
|
declare void @llvm.dbg.value(metadata, metadata, metadata) #2
|
|
|
|
attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="pentium4" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
|
attributes #1 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="pentium4" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
|
attributes #2 = { nounwind readnone speculatable }
|
|
attributes #3 = { nounwind }
|
|
|
|
!llvm.dbg.cu = !{!0}
|
|
!llvm.module.flags = !{!3, !4, !5, !6}
|
|
!llvm.ident = !{!7}
|
|
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
|
|
!1 = !DIFile(filename: "t.c", directory: "C:\5Csrc\5Cllvm-project\5Cbuild", checksumkind: CSK_MD5, checksum: "32f118fd5dd7e65ff7733c49b2f804ef")
|
|
!2 = !{}
|
|
!3 = !{i32 1, !"NumRegisterParameters", i32 0}
|
|
!4 = !{i32 2, !"CodeView", i32 1}
|
|
!5 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!6 = !{i32 1, !"wchar_size", i32 2}
|
|
!7 = !{!"clang version 6.0.0 "}
|
|
!8 = distinct !DISubprogram(name: "shrink_wrap_basic", linkageName: "\01@shrink_wrap_basic@16", scope: !1, file: !1, line: 2, type: !9, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !12)
|
|
!9 = !DISubroutineType(cc: DW_CC_BORLAND_msfastcall, types: !10)
|
|
!10 = !{!11, !11, !11, !11, !11}
|
|
!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
|
|
!12 = !{!13, !14, !15, !16, !17}
|
|
!13 = !DILocalVariable(name: "d", arg: 4, scope: !8, file: !1, line: 2, type: !11)
|
|
!14 = !DILocalVariable(name: "c", arg: 3, scope: !8, file: !1, line: 2, type: !11)
|
|
!15 = !DILocalVariable(name: "b", arg: 2, scope: !8, file: !1, line: 2, type: !11)
|
|
!16 = !DILocalVariable(name: "a", arg: 1, scope: !8, file: !1, line: 2, type: !11)
|
|
!17 = !DILocalVariable(name: "i", scope: !18, file: !1, line: 5, type: !11)
|
|
!18 = distinct !DILexicalBlock(scope: !8, file: !1, line: 5, column: 3)
|
|
!19 = !DILocation(line: 2, column: 59, scope: !8)
|
|
!20 = !DILocation(line: 2, column: 52, scope: !8)
|
|
!21 = !{!22, !22, i64 0}
|
|
!22 = !{!"int", !23, i64 0}
|
|
!23 = !{!"omnipotent char", !24, i64 0}
|
|
!24 = !{!"Simple C/C++ TBAA"}
|
|
!25 = !DILocation(line: 2, column: 45, scope: !8)
|
|
!26 = !DILocation(line: 2, column: 38, scope: !8)
|
|
!27 = !DILocation(line: 3, column: 9, scope: !28)
|
|
!28 = distinct !DILexicalBlock(scope: !8, file: !1, line: 3, column: 7)
|
|
!29 = !DILocation(line: 3, column: 7, scope: !8)
|
|
!30 = !DILocation(line: 5, column: 21, scope: !31)
|
|
!31 = distinct !DILexicalBlock(scope: !18, file: !1, line: 5, column: 3)
|
|
!32 = !DILocation(line: 5, column: 12, scope: !18)
|
|
!33 = !DILocation(line: 0, scope: !8)
|
|
!34 = !DILocation(line: 5, column: 26, scope: !31)
|
|
!35 = !DILocation(line: 5, column: 3, scope: !18)
|
|
!36 = distinct !{!36, !35, !37}
|
|
!37 = !DILocation(line: 6, column: 19, scope: !18)
|
|
!38 = !DILocation(line: 8, column: 1, scope: !8)
|