; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=i686-- -verify-machineinstrs < %s | FileCheck %s ; A test for asm-goto output define i32 @test1(i32 %x) { ; CHECK-LABEL: test1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax ; CHECK-NEXT: addl $4, %eax ; CHECK-NEXT: #APP ; CHECK-NEXT: xorl %eax, %eax ; CHECK-NEXT: jmp .Ltmp0 ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: # %bb.1: # %normal ; CHECK-NEXT: retl ; CHECK-NEXT: .Ltmp0: # Block address taken ; CHECK-NEXT: .LBB0_2: # %abnormal ; CHECK-NEXT: movl $1, %eax ; CHECK-NEXT: retl entry: %add = add nsw i32 %x, 4 %ret = callbr i32 asm "xorl $1, $0; jmp ${2:l}", "=r,r,X,~{dirflag},~{fpsr},~{flags}"(i32 %add, i8* blockaddress(@test1, %abnormal)) to label %normal [label %abnormal] normal: ret i32 %ret abnormal: ret i32 1 } define i32 @test2(i32 %out1, i32 %out2) { ; CHECK-LABEL: test2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: pushl %edi ; CHECK-NEXT: .cfi_def_cfa_offset 8 ; CHECK-NEXT: pushl %esi ; CHECK-NEXT: .cfi_def_cfa_offset 12 ; CHECK-NEXT: .cfi_offset %esi, -12 ; CHECK-NEXT: .cfi_offset %edi, -8 ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %edi ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %esi ; CHECK-NEXT: movl $-1, %eax ; CHECK-NEXT: cmpl %edi, %esi ; CHECK-NEXT: jge .LBB1_2 ; CHECK-NEXT: # %bb.1: # %if.then ; CHECK-NEXT: #APP ; CHECK-NEXT: testl %esi, %esi ; CHECK-NEXT: testl %edi, %esi ; CHECK-NEXT: jne .Ltmp1 ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: jmp .LBB1_3 ; CHECK-NEXT: .LBB1_2: # %if.else ; CHECK-NEXT: #APP ; CHECK-NEXT: testl %esi, %edi ; CHECK-NEXT: testl %esi, %edi ; CHECK-NEXT: jne .Ltmp2 ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: .LBB1_3: ; CHECK-NEXT: movl %esi, %eax ; CHECK-NEXT: addl %edi, %eax ; CHECK-NEXT: .Ltmp2: # Block address taken ; CHECK-NEXT: .LBB1_5: # %return ; CHECK-NEXT: popl %esi ; CHECK-NEXT: .cfi_def_cfa_offset 8 ; CHECK-NEXT: popl %edi ; CHECK-NEXT: .cfi_def_cfa_offset 4 ; CHECK-NEXT: retl ; CHECK-NEXT: .Ltmp1: # Block address taken ; CHECK-NEXT: .LBB1_4: # %label_true ; CHECK-NEXT: .cfi_def_cfa_offset 12 ; CHECK-NEXT: movl $-2, %eax ; CHECK-NEXT: jmp .LBB1_5 entry: %cmp = icmp slt i32 %out1, %out2 br i1 %cmp, label %if.then, label %if.else if.then: ; preds = %entry %0 = callbr { i32, i32 } asm sideeffect "testl $0, $0; testl $1, $2; jne ${3:l}", "={si},={di},r,X,X,0,1,~{dirflag},~{fpsr},~{flags}"(i32 %out1, i8* blockaddress(@test2, %label_true), i8* blockaddress(@test2, %return), i32 %out1, i32 %out2) to label %if.end [label %label_true, label %return] if.else: ; preds = %entry %1 = callbr { i32, i32 } asm sideeffect "testl $0, $1; testl $2, $3; jne ${5:l}", "={si},={di},r,r,X,X,0,1,~{dirflag},~{fpsr},~{flags}"(i32 %out1, i32 %out2, i8* blockaddress(@test2, %label_true), i8* blockaddress(@test2, %return), i32 %out1, i32 %out2) to label %if.end [label %label_true, label %return] if.end: ; preds = %if.else, %if.then %.sink11 = phi { i32, i32 } [ %0, %if.then ], [ %1, %if.else ] %asmresult3 = extractvalue { i32, i32 } %.sink11, 0 %asmresult4 = extractvalue { i32, i32 } %.sink11, 1 %add = add nsw i32 %asmresult4, %asmresult3 br label %return label_true: ; preds = %if.else, %if.then br label %return return: ; preds = %if.then, %if.else, %label_true, %if.end %retval.0 = phi i32 [ %add, %if.end ], [ -2, %label_true ], [ -1, %if.else ], [ -1, %if.then ] ret i32 %retval.0 } define i32 @test3(i1 %cmp) { ; CHECK-LABEL: test3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: pushl %edi ; CHECK-NEXT: .cfi_def_cfa_offset 8 ; CHECK-NEXT: pushl %esi ; CHECK-NEXT: .cfi_def_cfa_offset 12 ; CHECK-NEXT: .cfi_offset %esi, -12 ; CHECK-NEXT: .cfi_offset %edi, -8 ; CHECK-NEXT: testb $1, {{[0-9]+}}(%esp) ; CHECK-NEXT: je .LBB2_3 ; CHECK-NEXT: # %bb.1: # %true ; CHECK-NEXT: #APP ; CHECK-NEXT: .short %esi ; CHECK-NEXT: .short %edi ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: # %bb.2: ; CHECK-NEXT: movl %edi, %eax ; CHECK-NEXT: jmp .LBB2_5 ; CHECK-NEXT: .LBB2_3: # %false ; CHECK-NEXT: #APP ; CHECK-NEXT: .short %eax ; CHECK-NEXT: .short %edx ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: # %bb.4: ; CHECK-NEXT: movl %edx, %eax ; CHECK-NEXT: .LBB2_5: # %asm.fallthrough ; CHECK-NEXT: popl %esi ; CHECK-NEXT: .cfi_def_cfa_offset 8 ; CHECK-NEXT: popl %edi ; CHECK-NEXT: .cfi_def_cfa_offset 4 ; CHECK-NEXT: retl ; CHECK-NEXT: .Ltmp3: # Block address taken ; CHECK-NEXT: .LBB2_6: # %indirect ; CHECK-NEXT: .cfi_def_cfa_offset 12 ; CHECK-NEXT: movl $42, %eax ; CHECK-NEXT: jmp .LBB2_5 entry: br i1 %cmp, label %true, label %false true: %0 = callbr { i32, i32 } asm sideeffect ".word $0, $1", "={si},={di},X" (i8* blockaddress(@test3, %indirect)) to label %asm.fallthrough [label %indirect] false: %1 = callbr { i32, i32 } asm sideeffect ".word $0, $1", "={ax},={dx},X" (i8* blockaddress(@test3, %indirect)) to label %asm.fallthrough [label %indirect] asm.fallthrough: %vals = phi { i32, i32 } [ %0, %true ], [ %1, %false ] %v = extractvalue { i32, i32 } %vals, 1 ret i32 %v indirect: ret i32 42 } ; Test 4 - asm-goto with output constraints. define i32 @test4(i32 %out1, i32 %out2) { ; CHECK-LABEL: test4: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: movl $-1, %eax ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx ; CHECK-NEXT: #APP ; CHECK-NEXT: testl %ecx, %ecx ; CHECK-NEXT: testl %edx, %ecx ; CHECK-NEXT: jne .Ltmp4 ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: # %bb.1: # %asm.fallthrough ; CHECK-NEXT: #APP ; CHECK-NEXT: testl %ecx, %edx ; CHECK-NEXT: testl %ecx, %edx ; CHECK-NEXT: jne .Ltmp5 ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: # %bb.2: # %asm.fallthrough2 ; CHECK-NEXT: addl %edx, %ecx ; CHECK-NEXT: movl %ecx, %eax ; CHECK-NEXT: retl ; CHECK-NEXT: .Ltmp4: # Block address taken ; CHECK-NEXT: .LBB3_3: # %label_true ; CHECK-NEXT: movl $-2, %eax ; CHECK-NEXT: .Ltmp5: # Block address taken ; CHECK-NEXT: .LBB3_4: # %return ; CHECK-NEXT: retl entry: %0 = callbr { i32, i32 } asm sideeffect "testl $0, $0; testl $1, $2; jne ${3:l}", "=r,=r,r,X,X,~{dirflag},~{fpsr},~{flags}"(i32 %out1, i8* blockaddress(@test4, %label_true), i8* blockaddress(@test4, %return)) to label %asm.fallthrough [label %label_true, label %return] asm.fallthrough: ; preds = %entry %asmresult = extractvalue { i32, i32 } %0, 0 %asmresult1 = extractvalue { i32, i32 } %0, 1 %1 = callbr { i32, i32 } asm sideeffect "testl $0, $1; testl $2, $3; jne ${5:l}", "=r,=r,r,r,X,X,~{dirflag},~{fpsr},~{flags}"(i32 %asmresult, i32 %asmresult1, i8* blockaddress(@test4, %label_true), i8* blockaddress(@test4, %return)) to label %asm.fallthrough2 [label %label_true, label %return] asm.fallthrough2: ; preds = %asm.fallthrough %asmresult3 = extractvalue { i32, i32 } %1, 0 %asmresult4 = extractvalue { i32, i32 } %1, 1 %add = add nsw i32 %asmresult3, %asmresult4 br label %return label_true: ; preds = %asm.fallthrough, %entry br label %return return: ; preds = %entry, %asm.fallthrough, %label_true, %asm.fallthrough2 %retval.0 = phi i32 [ %add, %asm.fallthrough2 ], [ -2, %label_true ], [ -1, %asm.fallthrough ], [ -1, %entry ] ret i32 %retval.0 }