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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -O1 -mcpu=atom -mtriple=i686-linux | FileCheck %s
declare void @external_function(...)
define i32 @test_return_val(i32 %a) nounwind {
; CHECK-LABEL: test_return_val:
; CHECK: # %bb.0:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: nop
; CHECK-NEXT: nop
; CHECK-NEXT: nop
; CHECK-NEXT: nop
; CHECK-NEXT: nop
; CHECK-NEXT: nop
; CHECK-NEXT: retl
ret i32 %a
}
define i32 @test_optsize(i32 %a) nounwind optsize {
; CHECK-LABEL: test_optsize:
; CHECK: # %bb.0:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: retl
ret i32 %a
}
define i32 @test_minsize(i32 %a) nounwind minsize {
; CHECK-LABEL: test_minsize:
; CHECK: # %bb.0:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: retl
ret i32 %a
}
define i32 @test_pgso(i32 %a) nounwind !prof !14 {
; CHECK-LABEL: test_pgso:
; CHECK: # %bb.0:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: retl
ret i32 %a
}
define i32 @test_add(i32 %a, i32 %b) nounwind {
; CHECK-LABEL: test_add:
; CHECK: # %bb.0:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: addl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: nop
; CHECK-NEXT: nop
; CHECK-NEXT: nop
; CHECK-NEXT: nop
; CHECK-NEXT: retl
%result = add i32 %a, %b
ret i32 %result
}
define i32 @test_multiple_ret(i32 %a, i32 %b, i1 %c) nounwind {
; CHECK-LABEL: test_multiple_ret:
; CHECK: # %bb.0:
; CHECK-NEXT: testb $1, {{[0-9]+}}(%esp)
; CHECK-NEXT: je .LBB5_2
; CHECK-NEXT: # %bb.1: # %bb1
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: nop
; CHECK-NEXT: nop
; CHECK-NEXT: retl
; CHECK-NEXT: .LBB5_2: # %bb2
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: nop
; CHECK-NEXT: nop
; CHECK-NEXT: retl
br i1 %c, label %bb1, label %bb2
bb1:
ret i32 %a
bb2:
ret i32 %b
}
define void @test_call_others(i32 %x) nounwind {
; CHECK-LABEL: test_call_others:
; CHECK: # %bb.0:
; CHECK-NEXT: cmpl $0, {{[0-9]+}}(%esp)
; CHECK-NEXT: jne external_function@PLT # TAILCALL
; CHECK-NEXT: # %bb.1: # %if.end
; CHECK-NEXT: nop
; CHECK-NEXT: nop
; CHECK-NEXT: nop
; CHECK-NEXT: nop
; CHECK-NEXT: retl
%tobool = icmp eq i32 %x, 0
br i1 %tobool, label %if.end, label %true.case
true.case:
tail call void @external_function() nounwind
br label %if.end
if.end:
ret void
}
define void @test_branch_to_same_bb(i32 %x, i32 %y) nounwind {
; CHECK-LABEL: test_branch_to_same_bb:
; CHECK: # %bb.0:
; CHECK-NEXT: cmpl $0, {{[0-9]+}}(%esp)
; CHECK-NEXT: jle .LBB7_2
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB7_1: # %while.cond
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: jmp .LBB7_1
; CHECK-NEXT: .LBB7_2: # %while.end
; CHECK-NEXT: nop
; CHECK-NEXT: nop
; CHECK-NEXT: nop
; CHECK-NEXT: nop
; CHECK-NEXT: retl
%cmp = icmp sgt i32 %x, 0
br i1 %cmp, label %while.cond, label %while.end
while.cond:
br label %while.cond
while.end:
ret void
}
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"ProfileSummary", !1}
!1 = !{!2, !3, !4, !5, !6, !7, !8, !9}
!2 = !{!"ProfileFormat", !"InstrProf"}
!3 = !{!"TotalCount", i64 10000}
!4 = !{!"MaxCount", i64 10}
!5 = !{!"MaxInternalCount", i64 1}
!6 = !{!"MaxFunctionCount", i64 1000}
!7 = !{!"NumCounts", i64 3}
!8 = !{!"NumFunctions", i64 3}
!9 = !{!"DetailedSummary", !10}
!10 = !{!11, !12, !13}
!11 = !{i32 10000, i64 100, i32 1}
!12 = !{i32 999000, i64 100, i32 1}
!13 = !{i32 999999, i64 1, i32 2}
!14 = !{!"function_entry_count", i64 0}
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