| ; 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, 0x90 |
| ; 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} |