127 lines
2.3 KiB
LLVM
127 lines
2.3 KiB
LLVM
; RUN: llc < %s -O1 -mcpu=atom -mtriple=i686-linux | FileCheck %s
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declare void @external_function(...)
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define i32 @test_return_val(i32 %a) nounwind {
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; CHECK: test_return_val
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; CHECK: movl
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; CHECK: nop
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; CHECK: nop
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; CHECK: nop
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; CHECK: nop
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; CHECK: nop
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; CHECK: nop
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; CHECK: ret
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ret i32 %a
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}
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define i32 @test_optsize(i32 %a) nounwind optsize {
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; CHECK: test_optsize
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; CHECK: movl
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; CHECK-NEXT: ret
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ret i32 %a
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}
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define i32 @test_minsize(i32 %a) nounwind minsize {
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; CHECK: test_minsize
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; CHECK: movl
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; CHECK-NEXT: ret
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ret i32 %a
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}
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define i32 @test_pgso(i32 %a) nounwind !prof !14 {
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; CHECK: test_pgso
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; CHECK: movl
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; CHECK-NEXT: ret
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ret i32 %a
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}
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define i32 @test_add(i32 %a, i32 %b) nounwind {
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; CHECK: test_add
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; CHECK: addl
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; CHECK: nop
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; CHECK: nop
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; CHECK: nop
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; CHECK: nop
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; CHECK: ret
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%result = add i32 %a, %b
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ret i32 %result
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}
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define i32 @test_multiple_ret(i32 %a, i32 %b, i1 %c) nounwind {
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; CHECK: @test_multiple_ret
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; CHECK: je
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; CHECK: nop
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; CHECK: nop
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; CHECK: ret
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; CHECK: nop
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; CHECK: nop
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; CHECK: ret
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br i1 %c, label %bb1, label %bb2
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bb1:
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ret i32 %a
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bb2:
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ret i32 %b
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}
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define void @test_call_others(i32 %x) nounwind
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{
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; CHECK: test_call_others
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; CHECK: je
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%tobool = icmp eq i32 %x, 0
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br i1 %tobool, label %if.end, label %true.case
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; CHECK: jmp external_function
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true.case:
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tail call void @external_function() nounwind
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br label %if.end
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; CHECK: nop
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; CHECK: nop
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; CHECK: nop
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; CHECK: nop
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; CHECK: ret
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if.end:
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ret void
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}
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define void @test_branch_to_same_bb(i32 %x, i32 %y) nounwind {
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; CHECK: @test_branch_to_same_bb
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%cmp = icmp sgt i32 %x, 0
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br i1 %cmp, label %while.cond, label %while.end
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while.cond:
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br label %while.cond
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; CHECK: nop
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; CHECK: nop
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; CHECK: nop
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; CHECK: nop
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; CHECK: ret
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while.end:
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ret void
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}
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!llvm.module.flags = !{!0}
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!0 = !{i32 1, !"ProfileSummary", !1}
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!1 = !{!2, !3, !4, !5, !6, !7, !8, !9}
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!2 = !{!"ProfileFormat", !"InstrProf"}
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!3 = !{!"TotalCount", i64 10000}
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!4 = !{!"MaxCount", i64 10}
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!5 = !{!"MaxInternalCount", i64 1}
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!6 = !{!"MaxFunctionCount", i64 1000}
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!7 = !{!"NumCounts", i64 3}
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!8 = !{!"NumFunctions", i64 3}
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!9 = !{!"DetailedSummary", !10}
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!10 = !{!11, !12, !13}
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!11 = !{i32 10000, i64 100, i32 1}
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!12 = !{i32 999000, i64 100, i32 1}
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!13 = !{i32 999999, i64 1, i32 2}
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!14 = !{!"function_entry_count", i64 0}
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