Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927

external/llvm/test/Analysis/Dominators/2006-10-02-BreakCritEdges.ll

@@ -0,0 +1,22 @@
+; RUN: opt < %s -domtree -break-crit-edges -analyze -domtree | FileCheck %s
+; RUN: opt < %s -passes='require<domtree>,break-crit-edges,print<domtree>' -disable-output 2>&1| FileCheck %s
+; PR932
+
+; CHECK: [3] %brtrue {{{[0-9]+}},{{[0-9]+}}}
+
+declare void @use1(i32)
+
+define void @f(i32 %i, i1 %c) {
+entry:
+	%A = icmp eq i32 %i, 0		; <i1> [#uses=1]
+	br i1 %A, label %brtrue, label %brfalse
+
+brtrue:		; preds = %brtrue, %entry
+	%B = phi i1 [ true, %brtrue ], [ false, %entry ]		; <i1> [#uses=1]
+	call void @use1( i32 %i )
+	br i1 %B, label %brtrue, label %brfalse
+
+brfalse:		; preds = %brtrue, %entry
+	call void @use1( i32 %i )
+	ret void
+}

external/llvm/test/Analysis/Dominators/2007-01-14-BreakCritEdges.ll

@@ -0,0 +1,188 @@
+; RUN: opt < %s -domtree -break-crit-edges -disable-output
+; RUN: opt < %s -passes='require<domtree>,break-crit-edges' -disable-output
+; PR1110
+
+	%struct.OggVorbis_File = type { i8*, i32, i64, i64, %struct.ogg_sync_state, i32, i64*, i64*, i32*, i64*, %struct.vorbis_info*, %struct.vorbis_comment*, i64, i32, i32, i32, double, double, %struct.ogg_stream_state, %struct.vorbis_dsp_state, %struct.vorbis_block, %struct.ov_callbacks }
+	%struct.alloc_chain = type { i8*, %struct.alloc_chain* }
+	%struct.ogg_stream_state = type { i8*, i32, i32, i32, i32*, i64*, i32, i32, i32, i32, [282 x i8], i32, i32, i32, i32, i32, i64, i64 }
+	%struct.ogg_sync_state = type { i8*, i32, i32, i32, i32, i32, i32 }
+	%struct.oggpack_buffer = type { i32, i32, i8*, i8*, i32 }
+	%struct.ov_callbacks = type { i32 (i8*, i32, i32, i8*)*, i32 (i8*, i64, i32)*, i32 (i8*)*, i32 (i8*)* }
+	%struct.vorbis_block = type { float**, %struct.oggpack_buffer, i32, i32, i32, i32, i32, i32, i64, i64, %struct.vorbis_dsp_state*, i8*, i32, i32, i32, %struct.alloc_chain*, i32, i32, i32, i32, i8* }
+	%struct.vorbis_comment = type { i8**, i32*, i32, i8* }
+	%struct.vorbis_dsp_state = type { i32, %struct.vorbis_info*, float**, float**, i32, i32, i32, i32, i32, i32, i32, i32, i32, i64, i64, i64, i64, i64, i64, i8* }
+	%struct.vorbis_info = type { i32, i32, i32, i32, i32, i32, i32, i8* }
+
+
+define void @ov_read() {
+entry:
+	br i1 false, label %bb, label %return
+
+bb:		; preds = %cond_next22, %entry
+	br i1 false, label %cond_true8, label %cond_next15
+
+cond_true8:		; preds = %bb
+	br i1 false, label %cond_next15, label %bb29
+
+cond_next15:		; preds = %cond_true8, %bb
+	br i1 false, label %return, label %cond_next22
+
+cond_next22:		; preds = %cond_next15
+	br i1 false, label %bb, label %return
+
+bb29:		; preds = %cond_true8
+	br i1 false, label %cond_true32, label %return
+
+cond_true32:		; preds = %bb29
+	br i1 false, label %cond_false37.i, label %cond_true.i11
+
+cond_true.i11:		; preds = %cond_true32
+	br i1 false, label %cond_true8.i, label %ov_info.exit
+
+cond_true8.i:		; preds = %cond_true.i11
+	br i1 false, label %cond_true44, label %cond_next48
+
+cond_false37.i:		; preds = %cond_true32
+	br label %ov_info.exit
+
+ov_info.exit:		; preds = %cond_false37.i, %cond_true.i11
+	br i1 false, label %cond_true44, label %cond_next48
+
+cond_true44:		; preds = %ov_info.exit, %cond_true8.i
+	br label %cond_next48
+
+cond_next48:		; preds = %cond_true44, %ov_info.exit, %cond_true8.i
+	br i1 false, label %cond_next53, label %return
+
+cond_next53:		; preds = %cond_next48
+	br i1 false, label %cond_true56, label %cond_false97
+
+cond_true56:		; preds = %cond_next53
+	br i1 false, label %bb85, label %cond_next304
+
+bb63:		; preds = %bb85
+	br i1 false, label %cond_next78, label %cond_false73
+
+cond_false73:		; preds = %bb63
+	br i1 false, label %cond_true76, label %cond_next78
+
+cond_true76:		; preds = %cond_false73
+	br label %cond_next78
+
+cond_next78:		; preds = %cond_true76, %cond_false73, %bb63
+	br label %bb85
+
+bb85:		; preds = %bb89, %cond_next78, %cond_true56
+	br i1 false, label %bb63, label %bb89
+
+bb89:		; preds = %bb85
+	br i1 false, label %bb85, label %cond_next304
+
+cond_false97:		; preds = %cond_next53
+	br i1 false, label %cond_true108, label %bb248
+
+cond_true108:		; preds = %cond_false97
+	br i1 false, label %bb196, label %bb149
+
+bb112:		; preds = %bb149, %bb146
+	br i1 false, label %bb119, label %bb146
+
+bb119:		; preds = %cond_next134, %bb112
+	br i1 false, label %cond_next134, label %cond_false129
+
+cond_false129:		; preds = %bb119
+	br i1 false, label %cond_true132, label %cond_next134
+
+cond_true132:		; preds = %cond_false129
+	br label %cond_next134
+
+cond_next134:		; preds = %cond_true132, %cond_false129, %bb119
+	br i1 false, label %bb119, label %bb146
+
+bb146:		; preds = %cond_next134, %bb112
+	br i1 false, label %bb112, label %cond_next304
+
+bb149:		; preds = %cond_true108
+	br i1 false, label %bb112, label %cond_next304
+
+bb155:		; preds = %bb196, %bb193
+	br i1 false, label %bb165, label %bb193
+
+bb165:		; preds = %cond_next180, %bb155
+	br i1 false, label %cond_next180, label %cond_false175
+
+cond_false175:		; preds = %bb165
+	br i1 false, label %cond_true178, label %cond_next180
+
+cond_true178:		; preds = %cond_false175
+	br label %cond_next180
+
+cond_next180:		; preds = %cond_true178, %cond_false175, %bb165
+	br i1 false, label %bb165, label %bb193
+
+bb193:		; preds = %cond_next180, %bb155
+	br i1 false, label %bb155, label %cond_next304
+
+bb196:		; preds = %cond_true108
+	br i1 false, label %bb155, label %cond_next304
+
+bb207:		; preds = %bb241
+	br i1 false, label %cond_next225, label %cond_false220
+
+cond_false220:		; preds = %bb207
+	br i1 false, label %cond_true223, label %cond_next225
+
+cond_true223:		; preds = %cond_false220
+	br label %cond_next225
+
+cond_next225:		; preds = %cond_true223, %cond_false220, %bb207
+	br label %bb241
+
+bb241:		; preds = %bb248, %bb245, %cond_next225
+	br i1 false, label %bb207, label %bb245
+
+bb245:		; preds = %bb241
+	br i1 false, label %bb241, label %cond_next304
+
+bb248:		; preds = %cond_false97
+	br i1 false, label %bb241, label %cond_next304
+
+bb256:		; preds = %bb290
+	br i1 false, label %cond_next274, label %cond_false269
+
+cond_false269:		; preds = %bb256
+	br i1 false, label %cond_true272, label %cond_next274
+
+cond_true272:		; preds = %cond_false269
+	br label %cond_next274
+
+cond_next274:		; preds = %cond_true272, %cond_false269, %bb256
+	br label %bb290
+
+bb290:		; preds = %bb294, %cond_next274
+	br i1 false, label %bb256, label %bb294
+
+bb294:		; preds = %bb290
+	br i1 false, label %bb290, label %cond_next304
+
+cond_next304:		; preds = %bb294, %bb248, %bb245, %bb196, %bb193, %bb149, %bb146, %bb89, %cond_true56
+	br i1 false, label %cond_next11.i, label %cond_true.i
+
+cond_true.i:		; preds = %cond_next304
+	br i1 false, label %vorbis_synthesis_read.exit, label %cond_next11.i
+
+cond_next11.i:		; preds = %cond_true.i, %cond_next304
+	br label %vorbis_synthesis_read.exit
+
+vorbis_synthesis_read.exit:		; preds = %cond_next11.i, %cond_true.i
+	br i1 false, label %cond_next321, label %cond_true316
+
+cond_true316:		; preds = %vorbis_synthesis_read.exit
+	ret void
+
+cond_next321:		; preds = %vorbis_synthesis_read.exit
+	ret void
+
+return:		; preds = %cond_next48, %bb29, %cond_next22, %cond_next15, %entry
+	ret void
+}

external/llvm/test/Analysis/Dominators/2007-07-11-SplitBlock.ll

@@ -0,0 +1,21 @@
+; RUN: opt < %s -loop-rotate -loop-unswitch -disable-output
+
+define i32 @stringSearch_Clib(i32 %count) {
+entry:
+	br i1 false, label %bb36, label %bb44
+
+cond_true20:		; preds = %bb36
+	%tmp33 = add i32 0, 0		; <i32> [#uses=1]
+	br label %bb36
+
+bb36:		; preds = %cond_true20, %entry
+	%c.2 = phi i32 [ %tmp33, %cond_true20 ], [ 0, %entry ]		; <i32> [#uses=1]
+	br i1 false, label %cond_true20, label %bb41
+
+bb41:		; preds = %bb36
+	%c.2.lcssa = phi i32 [ %c.2, %bb36 ]		; <i32> [#uses=0]
+	ret i32 0
+
+bb44:		; preds = %entry
+	ret i32 0
+}

external/llvm/test/Analysis/Dominators/2007-07-12-SplitBlock.ll

@@ -0,0 +1,13 @@
+; RUN: opt < %s -loop-rotate -licm -loop-unswitch -disable-output
+
+define i32 @main(i32 %argc, i8** %argv) {
+entry:
+	br label %bb7
+
+bb7:		; preds = %bb7, %entry
+	%tmp54 = icmp slt i32 0, 2000000		; <i1> [#uses=1]
+	br i1 %tmp54, label %bb7, label %bb56
+
+bb56:		; preds = %bb7
+	ret i32 0
+}

external/llvm/test/Analysis/Dominators/basic.ll

@@ -0,0 +1,60 @@
+; RUN: opt < %s -domtree -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-OLDPM
+; RUN: opt < %s -disable-output -passes='print<domtree>' 2>&1 | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-NEWPM
+
+define void @test1() {
+; CHECK-OLDPM-LABEL: 'Dominator Tree Construction' for function 'test1':
+; CHECK-NEWPM-LABEL: DominatorTree for function: test1
+; CHECK:      [1] %entry
+; CHECK-NEXT:   [2] %a
+; CHECK-NEXT:   [2] %c
+; CHECK-NEXT:     [3] %d
+; CHECK-NEXT:     [3] %e
+; CHECK-NEXT:   [2] %b
+
+entry:
+  br i1 undef, label %a, label %b
+
+a:
+  br label %c
+
+b:
+  br label %c
+
+c:
+  br i1 undef, label %d, label %e
+
+d:
+  ret void
+
+e:
+  ret void
+}
+
+define void @test2() {
+; CHECK-OLDPM-LABEL: 'Dominator Tree Construction' for function 'test2':
+; CHECK-NEWPM-LABEL: DominatorTree for function: test2
+; CHECK:      [1] %entry
+; CHECK-NEXT:   [2] %a
+; CHECK-NEXT:     [3] %b
+; CHECK-NEXT:       [4] %c
+; CHECK-NEXT:         [5] %d
+; CHECK-NEXT:         [5] %ret
+
+entry:
+  br label %a
+
+a:
+  br label %b
+
+b:
+  br i1 undef, label %a, label %c
+
+c:
+  br i1 undef, label %d, label %ret
+
+d:
+  br i1 undef, label %a, label %ret
+
+ret:
+  ret void
+}

external/llvm/test/Analysis/Dominators/invoke.ll

@@ -0,0 +1,19 @@
+; RUN: opt -verify -disable-output < %s
+; This tests that we handle unreachable blocks correctly
+
+define void @f() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
+  %v1 = invoke i32* @g()
+          to label %bb1 unwind label %bb2
+  invoke void @__dynamic_cast()
+          to label %bb1 unwind label %bb2
+bb1:
+  %Hidden = getelementptr inbounds i32, i32* %v1, i64 1
+  ret void
+bb2:
+  %lpad.loopexit80 = landingpad { i8*, i32 }
+          cleanup
+  ret void
+}
+declare i32 @__gxx_personality_v0(...)
+declare void @__dynamic_cast()
+declare i32* @g()