llvm-for-llvmta/test/CodeGen/PowerPC/stack-restore-with-setjmp.ll

157 lines
5.4 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=powerpc64le-- -verify-machineinstrs | FileCheck %s
; RUN: llc < %s -mtriple=powerpc64-- -verify-machineinstrs | FileCheck %s \
; RUN: --check-prefix=BE
%struct.__jmp_buf_tag = type { [64 x i64], i32, %struct.__sigset_t, [8 x i8] }
%struct.__sigset_t = type { [16 x i64] }
@.str = private unnamed_addr constant [33 x i8] c"Successfully returned from main\0A\00", align 1
; Function Attrs: nounwind
define dso_local signext i32 @main(i32 signext %argc, i8** nocapture readnone %argv) local_unnamed_addr #0 {
; CHECK-LABEL: main:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: mfocrf 12, 32
; CHECK-NEXT: mflr 0
; CHECK-NEXT: std 31, -8(1)
; CHECK-NEXT: std 0, 16(1)
; CHECK-NEXT: stw 12, 8(1)
; CHECK-NEXT: stdu 1, -784(1)
; CHECK-NEXT: # kill: def $r3 killed $r3 killed $x3
; CHECK-NEXT: cmpwi 2, 3, 2
; CHECK-NEXT: mr 31, 1
; CHECK-NEXT: li 3, 0
; CHECK-NEXT: blt 2, .LBB0_3
; CHECK-NEXT: # %bb.1: # %if.end
; CHECK-NEXT: addi 3, 31, 112
; CHECK-NEXT: bl _setjmp
; CHECK-NEXT: nop
; CHECK-NEXT: crmove 20, 10
; CHECK-NEXT: # kill: def $r3 killed $r3 killed $x3
; CHECK-NEXT: cmpwi 3, 0
; CHECK-NEXT: crorc 20, 10, 2
; CHECK-NEXT: crmove 21, 2
; CHECK-NEXT: bc 4, 20, .LBB0_4
; CHECK-NEXT: # %bb.2: # %if.end5
; CHECK-NEXT: addis 3, 2, .L.str@toc@ha
; CHECK-NEXT: addi 3, 3, .L.str@toc@l
; CHECK-NEXT: bl printf
; CHECK-NEXT: nop
; CHECK-NEXT: # kill: def $r3 killed $r3 killed $x3
; CHECK-NEXT: .LBB0_3: # %return
; CHECK-NEXT: extsw 3, 3
; CHECK-NEXT: addi 1, 31, 784
; CHECK-NEXT: ld 0, 16(1)
; CHECK-NEXT: lwz 12, 8(1)
; CHECK-NEXT: ld 31, -8(1)
; CHECK-NEXT: mtocrf 32, 12
; CHECK-NEXT: mtlr 0
; CHECK-NEXT: blr
; CHECK-NEXT: .LBB0_4: # %if.then3
; CHECK-NEXT: ld 4, 0(1)
; CHECK-NEXT: stdu 4, -16(1)
; CHECK-NEXT: addi 3, 1, 96
; CHECK-NEXT: li 4, -1
; CHECK-NEXT: stb 4, 0(3)
; CHECK-NEXT: addi 4, 31, 112
; CHECK-NEXT: bl test
; CHECK-NEXT: nop
;
; BE-LABEL: main:
; BE: # %bb.0: # %entry
; BE-NEXT: mflr 0
; BE-NEXT: std 31, -8(1)
; BE-NEXT: std 0, 16(1)
; BE-NEXT: mfcr 12
; BE-NEXT: stw 12, 8(1)
; BE-NEXT: stdu 1, -800(1)
; BE-NEXT: li 4, 0
; BE-NEXT: # kill: def $r3 killed $r3 killed $x3
; BE-NEXT: cmpwi 2, 3, 2
; BE-NEXT: mr 3, 4
; BE-NEXT: mr 31, 1
; BE-NEXT: blt 2, .LBB0_3
; BE-NEXT: # %bb.1: # %if.end
; BE-NEXT: addi 3, 31, 128
; BE-NEXT: bl _setjmp
; BE-NEXT: nop
; BE-NEXT: crmove 20, 10
; BE-NEXT: # kill: def $r3 killed $r3 killed $x3
; BE-NEXT: cmpwi 3, 0
; BE-NEXT: crorc 20, 10, 2
; BE-NEXT: crmove 21, 2
; BE-NEXT: bc 4, 20, .LBB0_4
; BE-NEXT: # %bb.2: # %if.end5
; BE-NEXT: addis 3, 2, .L.str@toc@ha
; BE-NEXT: addi 3, 3, .L.str@toc@l
; BE-NEXT: bl printf
; BE-NEXT: nop
; BE-NEXT: # kill: def $r3 killed $r3 killed $x3
; BE-NEXT: .LBB0_3: # %return
; BE-NEXT: extsw 3, 3
; BE-NEXT: addi 1, 31, 800
; BE-NEXT: ld 0, 16(1)
; BE-NEXT: lwz 12, 8(1)
; BE-NEXT: ld 31, -8(1)
; BE-NEXT: mtlr 0
; BE-NEXT: mtcrf 32, 12 # cr2
; BE-NEXT: blr
; BE-NEXT: .LBB0_4: # %if.then3
; BE-NEXT: ld 4, 0(1)
; BE-NEXT: stdu 4, -16(1)
; BE-NEXT: addi 3, 1, 112
; BE-NEXT: li 4, -1
; BE-NEXT: stb 4, 0(3)
; BE-NEXT: addi 4, 31, 128
; BE-NEXT: bl test
; BE-NEXT: nop
entry:
%env_buffer = alloca [1 x %struct.__jmp_buf_tag], align 16
%cmp = icmp slt i32 %argc, 2
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%0 = bitcast [1 x %struct.__jmp_buf_tag]* %env_buffer to i8*
call void @llvm.lifetime.start.p0i8(i64 656, i8* nonnull %0) #5
%arraydecay = getelementptr inbounds [1 x %struct.__jmp_buf_tag], [1 x %struct.__jmp_buf_tag]* %env_buffer, i64 0, i64 0
%call = call signext i32 @_setjmp(%struct.__jmp_buf_tag* nonnull %arraydecay) #6
%cmp1 = icmp ne i32 %argc, 2
%cmp2 = icmp eq i32 %call, 0
%or.cond = and i1 %cmp1, %cmp2
br i1 %or.cond, label %if.then3, label %if.end5
if.then3: ; preds = %if.end
%1 = alloca [8 x i8], align 16
%.sub = getelementptr inbounds [8 x i8], [8 x i8]* %1, i64 0, i64 0
store i8 -1, i8* %.sub, align 16
call void @test(i8* nonnull %.sub, %struct.__jmp_buf_tag* nonnull %arraydecay) #7
unreachable
if.end5: ; preds = %if.end
%call6 = call signext i32 (i8*, ...) @printf(i8* nonnull dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @.str, i64 0, i64 0))
call void @llvm.lifetime.end.p0i8(i64 656, i8* nonnull %0) #5
br label %return
return: ; preds = %entry, %if.end5
%retval.0 = phi i32 [ %call6, %if.end5 ], [ 0, %entry ]
ret i32 %retval.0
}
; Function Attrs: argmemonly nofree nosync nounwind willreturn
declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture)
; Function Attrs: nounwind returns_twice
declare signext i32 @_setjmp(%struct.__jmp_buf_tag*) local_unnamed_addr
; Function Attrs: noreturn
declare void @test(i8*, %struct.__jmp_buf_tag*) local_unnamed_addr
; Function Attrs: nofree nounwind
declare noundef signext i32 @printf(i8* nocapture noundef readonly, ...) local_unnamed_addr
; Function Attrs: argmemonly nofree nosync nounwind willreturn
declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture)
attributes #0 = { nounwind }
attributes #6 = { nounwind returns_twice }