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54c69d097e
As mentioned in http://lists.llvm.org/pipermail/llvm-dev/2020-July/143395.html, loop-unswitch has not been ported to the NPM. Instead people are using simple-loop-unswitch. Pin all tests in Transforms/LoopUnswitch to legacy PM and replace all other uses of loop-unswitch with simple-loop-unswitch. One test that didn't fit into the above was 2014-06-21-congruent-constant.ll which seems to only pass with loop-unswitch. That is also pinned to legacy PM. Now all tests containing "-loop-unswitch" anywhere in the test succeed with NPM turned on by default. Reviewed By: ychen Differential Revision: https://reviews.llvm.org/D85360
154 lines
4.6 KiB
LLVM
154 lines
4.6 KiB
LLVM
; RUN: opt -mtriple=s390x-linux-gnu -mcpu=z13 -enable-mssa-loop-dependency -verify-memoryssa -sroa -globalopt -function-attrs -simplifycfg -licm -simple-loop-unswitch %s -S | FileCheck %s
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; REQUIRES: asserts
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target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-v128:64-a:8:16-n32:64"
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target triple = "s390x-ibm-linux"
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@0 = internal global i32 -9, align 4
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@1 = internal global i64 9, align 8
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@g_1042 = external dso_local global [5 x i16], align 2
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; CHECK-LABEL: @main()
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; Function Attrs: nounwind
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define dso_local void @main() #0 {
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call void @func_1()
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unreachable
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}
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; Function Attrs: argmemonly nounwind
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declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
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; Function Attrs: nounwind
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define dso_local void @func_1() #0 {
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%1 = alloca i32*, align 8
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%2 = call signext i32 @func_2()
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%3 = icmp ne i32 %2, 0
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br i1 %3, label %4, label %9
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; <label>:4: ; preds = %0
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%5 = load i16, i16* getelementptr inbounds ([5 x i16], [5 x i16]* @g_1042, i64 0, i64 0), align 2, !tbaa !1
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%6 = zext i16 %5 to i64
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%7 = load i64, i64* @1, align 8, !tbaa !5
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%8 = and i64 %7, %6
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store i64 %8, i64* @1, align 8, !tbaa !5
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call void @llvm.lifetime.end.p0i8(i64 4, i8* undef) #2
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unreachable
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; <label>:9: ; preds = %0
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store i32* @0, i32** %1, align 8, !tbaa !7
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br label %10
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; <label>:10: ; preds = %23, %9
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%11 = load i64, i64* @1, align 8, !tbaa !5
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%12 = icmp eq i64 %11, 65535
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br i1 %12, label %13, label %14
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; <label>:13: ; preds = %10
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store i32* null, i32** %1, align 8, !tbaa !7
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br label %14
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; <label>:14: ; preds = %13, %10
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%15 = load i32*, i32** %1, align 8, !tbaa !7
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%16 = load i32, i32* %15, align 4, !tbaa !9
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%17 = trunc i32 %16 to i16
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%18 = call signext i16 @safe_sub_func_int16_t_s_s(i16 signext %17)
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%19 = sext i16 %18 to i32
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%20 = icmp ne i32 %19, 0
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br i1 %20, label %23, label %21
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; <label>:21: ; preds = %14
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%22 = load volatile i8, i8* null, align 1, !tbaa !11
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br label %23
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; <label>:23: ; preds = %21, %14
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br label %10
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}
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; Function Attrs: nounwind
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declare dso_local signext i32 @func_2() #0
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; Function Attrs: nounwind
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define dso_local void @safe_sub_func_uint8_t_u_u() #0 {
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ret void
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}
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; Function Attrs: nounwind
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define dso_local void @safe_add_func_int64_t_s_s() #0 {
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ret void
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}
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; Function Attrs: nounwind
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define dso_local void @safe_rshift_func_int16_t_s_u() #0 {
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ret void
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}
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; Function Attrs: nounwind
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define dso_local void @safe_div_func_uint8_t_u_u() #0 {
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ret void
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}
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; Function Attrs: nounwind
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define dso_local void @safe_mul_func_uint16_t_u_u() #0 {
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ret void
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}
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; Function Attrs: nounwind
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define dso_local void @safe_mul_func_int16_t_s_s() #0 {
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ret void
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}
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; Function Attrs: nounwind
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define dso_local void @safe_div_func_int32_t_s_s() #0 {
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ret void
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}
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; Function Attrs: nounwind
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define dso_local signext i16 @safe_sub_func_int16_t_s_s(i16 signext) #0 {
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%2 = alloca i16, align 2
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store i16 %0, i16* %2, align 2, !tbaa !1
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%3 = load i16, i16* %2, align 2, !tbaa !1
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%4 = sext i16 %3 to i32
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%5 = sub nsw i32 %4, 0
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%6 = trunc i32 %5 to i16
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ret i16 %6
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}
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; Function Attrs: nounwind
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define dso_local void @safe_add_func_uint16_t_u_u() #0 {
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ret void
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}
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; Function Attrs: nounwind
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define dso_local void @safe_div_func_int8_t_s_s() #0 {
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ret void
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}
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; Function Attrs: nounwind
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define dso_local void @safe_add_func_int16_t_s_s() #0 {
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ret void
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}
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; Function Attrs: nounwind
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define dso_local void @safe_add_func_uint8_t_u_u() #0 {
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ret void
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}
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attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="z13" "target-features"="+transactional-execution,+vector" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { argmemonly nounwind }
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attributes #2 = { nounwind }
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!llvm.ident = !{!0}
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!0 = !{!"clang version 8.0.0 (http://llvm.org/git/clang.git 7cda4756fc9713d98fd3513b8df172700f267bad) (http://llvm.org/git/llvm.git 199c0d32e96b646bd8cf6beeaf0f99f8a434b56a)"}
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!1 = !{!2, !2, i64 0}
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!2 = !{!"short", !3, i64 0}
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!3 = !{!"omnipotent char", !4, i64 0}
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!4 = !{!"Simple C/C++ TBAA"}
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!5 = !{!6, !6, i64 0}
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!6 = !{!"long", !3, i64 0}
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!7 = !{!8, !8, i64 0}
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!8 = !{!"any pointer", !3, i64 0}
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!9 = !{!10, !10, i64 0}
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!10 = !{!"int", !3, i64 0}
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!11 = !{!3, !3, i64 0}
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