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https://github.com/RPCS3/llvm-mirror.git
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3ae734a60c
This was done with the following sed invocation to catch label lines demarking function boundaries:
sed -i '' "s/^;\( *\)\([A-Z0-9_]*\):\( *\)test\([A-Za-z0-9_-]*\):\( *\)$/;\1\2-LABEL:\3test\4:\5/g" test/CodeGen/*/*.ll
which was written conservatively to avoid false positives rather than false negatives. I scanned through all the changes and everything looks correct.
llvm-svn: 186258
232 lines
4.7 KiB
LLVM
232 lines
4.7 KiB
LLVM
; RUN: llc -mtriple=aarch64-none-linux-gnu < %s | FileCheck %s
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; This test checks that LLVM can do basic stripping and reapplying of branches
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; to basic blocks.
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declare void @test_true()
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declare void @test_false()
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; !0 corresponds to a branch being taken, !1 to not being takne.
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!0 = metadata !{metadata !"branch_weights", i32 64, i32 4}
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!1 = metadata !{metadata !"branch_weights", i32 4, i32 64}
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define void @test_Bcc_fallthrough_taken(i32 %in) nounwind {
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; CHECK-LABEL: test_Bcc_fallthrough_taken:
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%tst = icmp eq i32 %in, 42
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br i1 %tst, label %true, label %false, !prof !0
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; CHECK: cmp {{w[0-9]+}}, #42
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; CHECK: b.ne [[FALSE:.LBB[0-9]+_[0-9]+]]
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; CHECK-NEXT: // BB#
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; CHECK-NEXT: bl test_true
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; CHECK: [[FALSE]]:
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; CHECK: bl test_false
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true:
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call void @test_true()
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ret void
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false:
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call void @test_false()
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ret void
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}
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define void @test_Bcc_fallthrough_nottaken(i32 %in) nounwind {
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; CHECK-LABEL: test_Bcc_fallthrough_nottaken:
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%tst = icmp eq i32 %in, 42
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br i1 %tst, label %true, label %false, !prof !1
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; CHECK: cmp {{w[0-9]+}}, #42
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; CHECK: b.eq [[TRUE:.LBB[0-9]+_[0-9]+]]
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; CHECK-NEXT: // BB#
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; CHECK-NEXT: bl test_false
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; CHECK: [[TRUE]]:
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; CHECK: bl test_true
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true:
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call void @test_true()
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ret void
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false:
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call void @test_false()
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ret void
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}
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define void @test_CBZ_fallthrough_taken(i32 %in) nounwind {
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; CHECK-LABEL: test_CBZ_fallthrough_taken:
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%tst = icmp eq i32 %in, 0
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br i1 %tst, label %true, label %false, !prof !0
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; CHECK: cbnz {{w[0-9]+}}, [[FALSE:.LBB[0-9]+_[0-9]+]]
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; CHECK-NEXT: // BB#
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; CHECK-NEXT: bl test_true
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; CHECK: [[FALSE]]:
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; CHECK: bl test_false
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true:
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call void @test_true()
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ret void
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false:
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call void @test_false()
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ret void
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}
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define void @test_CBZ_fallthrough_nottaken(i64 %in) nounwind {
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; CHECK-LABEL: test_CBZ_fallthrough_nottaken:
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%tst = icmp eq i64 %in, 0
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br i1 %tst, label %true, label %false, !prof !1
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; CHECK: cbz {{x[0-9]+}}, [[TRUE:.LBB[0-9]+_[0-9]+]]
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; CHECK-NEXT: // BB#
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; CHECK-NEXT: bl test_false
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; CHECK: [[TRUE]]:
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; CHECK: bl test_true
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true:
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call void @test_true()
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ret void
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false:
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call void @test_false()
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ret void
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}
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define void @test_CBNZ_fallthrough_taken(i32 %in) nounwind {
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; CHECK-LABEL: test_CBNZ_fallthrough_taken:
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%tst = icmp ne i32 %in, 0
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br i1 %tst, label %true, label %false, !prof !0
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; CHECK: cbz {{w[0-9]+}}, [[FALSE:.LBB[0-9]+_[0-9]+]]
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; CHECK-NEXT: // BB#
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; CHECK-NEXT: bl test_true
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; CHECK: [[FALSE]]:
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; CHECK: bl test_false
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true:
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call void @test_true()
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ret void
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false:
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call void @test_false()
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ret void
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}
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define void @test_CBNZ_fallthrough_nottaken(i64 %in) nounwind {
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; CHECK-LABEL: test_CBNZ_fallthrough_nottaken:
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%tst = icmp ne i64 %in, 0
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br i1 %tst, label %true, label %false, !prof !1
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; CHECK: cbnz {{x[0-9]+}}, [[TRUE:.LBB[0-9]+_[0-9]+]]
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; CHECK-NEXT: // BB#
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; CHECK-NEXT: bl test_false
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; CHECK: [[TRUE]]:
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; CHECK: bl test_true
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true:
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call void @test_true()
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ret void
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false:
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call void @test_false()
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ret void
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}
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define void @test_TBZ_fallthrough_taken(i32 %in) nounwind {
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; CHECK-LABEL: test_TBZ_fallthrough_taken:
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%bit = and i32 %in, 32768
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%tst = icmp eq i32 %bit, 0
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br i1 %tst, label %true, label %false, !prof !0
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; CHECK: tbnz {{w[0-9]+}}, #15, [[FALSE:.LBB[0-9]+_[0-9]+]]
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; CHECK-NEXT: // BB#
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; CHECK-NEXT: bl test_true
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; CHECK: [[FALSE]]:
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; CHECK: bl test_false
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true:
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call void @test_true()
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ret void
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false:
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call void @test_false()
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ret void
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}
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define void @test_TBZ_fallthrough_nottaken(i64 %in) nounwind {
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; CHECK-LABEL: test_TBZ_fallthrough_nottaken:
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%bit = and i64 %in, 32768
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%tst = icmp eq i64 %bit, 0
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br i1 %tst, label %true, label %false, !prof !1
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; CHECK: tbz {{x[0-9]+}}, #15, [[TRUE:.LBB[0-9]+_[0-9]+]]
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; CHECK-NEXT: // BB#
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; CHECK-NEXT: bl test_false
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; CHECK: [[TRUE]]:
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; CHECK: bl test_true
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true:
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call void @test_true()
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ret void
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false:
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call void @test_false()
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ret void
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}
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define void @test_TBNZ_fallthrough_taken(i32 %in) nounwind {
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; CHECK-LABEL: test_TBNZ_fallthrough_taken:
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%bit = and i32 %in, 32768
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%tst = icmp ne i32 %bit, 0
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br i1 %tst, label %true, label %false, !prof !0
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; CHECK: tbz {{w[0-9]+}}, #15, [[FALSE:.LBB[0-9]+_[0-9]+]]
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; CHECK-NEXT: // BB#
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; CHECK-NEXT: bl test_true
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; CHECK: [[FALSE]]:
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; CHECK: bl test_false
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true:
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call void @test_true()
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ret void
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false:
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call void @test_false()
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ret void
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}
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define void @test_TBNZ_fallthrough_nottaken(i64 %in) nounwind {
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; CHECK-LABEL: test_TBNZ_fallthrough_nottaken:
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%bit = and i64 %in, 32768
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%tst = icmp ne i64 %bit, 0
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br i1 %tst, label %true, label %false, !prof !1
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; CHECK: tbnz {{x[0-9]+}}, #15, [[TRUE:.LBB[0-9]+_[0-9]+]]
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; CHECK-NEXT: // BB#
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; CHECK-NEXT: bl test_false
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; CHECK: [[TRUE]]:
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; CHECK: bl test_true
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true:
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call void @test_true()
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ret void
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false:
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call void @test_false()
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ret void
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}
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