1 files changed, 0 insertions, 443 deletions
diff --git a/llvm/test/Transforms/JumpThreading/select.ll b/llvm/test/Transforms/JumpThreading/select.ll
deleted file mode 100644
index 7557a6c814b..00000000000
--- a/llvm/test/Transforms/JumpThreading/select.ll
+++ /dev/null
@@ -1,443 +0,0 @@
-; RUN: opt -S -jump-threading < %s | FileCheck %s
-
-declare void @foo()
-declare void @bar()
-declare void @baz()
-declare void @quux()
-
-
-; Jump threading of branch with select as condition.
-; Mostly theoretical since instruction combining simplifies all selects of
-; booleans where at least one operand is true/false/undef.
-
-; CHECK-LABEL: @test_br(
-; CHECK-NEXT: entry:
-; CHECK-NEXT: br i1 %cond, label %L1,
-define void @test_br(i1 %cond, i1 %value) nounwind {
-entry:
-  br i1 %cond, label %L0, label %L3
-L0:
-  %expr = select i1 %cond, i1 true, i1 %value
-  br i1 %expr, label %L1, label %L2
-
-L1:
-  call void @foo()
-  ret void
-L2:
-  call void @bar()
-  ret void
-L3:
-  call void @baz()
-  br label %L0
-}
-
-
-; Jump threading of switch with select as condition.
-
-; CHECK-LABEL: @test_switch(
-; CHECK-NEXT: entry:
-; CHECK-NEXT: br i1 %cond, label %L1,
-define void @test_switch(i1 %cond, i8 %value) nounwind {
-entry:
-  br i1 %cond, label %L0, label %L4
-L0:
-  %expr = select i1 %cond, i8 1, i8 %value
-  switch i8 %expr, label %L3 [i8 1, label %L1 i8 2, label %L2]
-
-L1:
-  call void @foo()
-  ret void
-L2:
-  call void @bar()
-  ret void
-L3:
-  call void @baz()
-  ret void
-L4:
-  call void @quux()
-  br label %L0
-}
-
-; Make sure the blocks in the indirectbr test aren't trivially removable as
-; successors by taking their addresses.
-@anchor = constant [3 x i8*] [
-  i8* blockaddress(@test_indirectbr, %L1),
-  i8* blockaddress(@test_indirectbr, %L2),
-  i8* blockaddress(@test_indirectbr, %L3)
-]
-
-
-; Jump threading of indirectbr with select as address.
-
-; CHECK-LABEL: @test_indirectbr(
-; CHECK-NEXT: entry:
-; CHECK-NEXT: br i1 %cond, label %L1, label %L3
-define void @test_indirectbr(i1 %cond, i8* %address) nounwind {
-entry:
-  br i1 %cond, label %L0, label %L3
-L0:
-  %indirect.goto.dest = select i1 %cond, i8* blockaddress(@test_indirectbr, %L1), i8* %address
-  indirectbr i8* %indirect.goto.dest, [label %L1, label %L2, label %L3]
-
-L1:
-  call void @foo()
-  ret void
-L2:
-  call void @bar()
-  ret void
-L3:
-  call void @baz()
-  ret void
-}
-
-
-; Jump threading of indirectbr with select as address.  Test increased
-; duplication threshold for cases where indirectbr is being threaded
-; through.
-
-; CHECK-LABEL: @test_indirectbr_thresh(
-; CHECK-NEXT: entry:
-; CHECK-NEXT: br i1 %cond, label %L1, label %L3
-; CHECK-NOT: indirectbr
-define void @test_indirectbr_thresh(i1 %cond, i8* %address) nounwind {
-entry:
-  br i1 %cond, label %L0, label %L3
-L0:
-  %indirect.goto.dest = select i1 %cond, i8* blockaddress(@test_indirectbr_thresh, %L1), i8* %address
-  call void @quux()
-  call void @quux()
-  call void @quux()
-  indirectbr i8* %indirect.goto.dest, [label %L1, label %L2, label %L3]
-
-L1:
-  call void @foo()
-  ret void
-L2:
-  call void @bar()
-  ret void
-L3:
-  call void @baz()
-  ret void
-}
-
-
-; A more complicated case: the condition is a select based on a comparison.
-
-; CHECK-LABEL: @test_switch_cmp(
-; CHECK-NEXT: entry:
-; CHECK-NEXT: br i1 %cond, label %L0, label %[[THREADED:[A-Za-z.0-9]+]]
-; CHECK: [[THREADED]]:
-; CHECK-NEXT: call void @quux
-; CHECK-NEXT: br label %L1
-define void @test_switch_cmp(i1 %cond, i32 %val, i8 %value) nounwind {
-entry:
-  br i1 %cond, label %L0, label %L4
-L0:
-  %val.phi = phi i32 [%val, %entry], [-1, %L4]
-  %cmp = icmp slt i32 %val.phi, 0
-  %expr = select i1 %cmp, i8 1, i8 %value
-  switch i8 %expr, label %L3 [i8 1, label %L1 i8 2, label %L2]
-
-L1:
-  call void @foo()
-  ret void
-L2:
-  call void @bar()
-  ret void
-L3:
-  call void @baz()
-  ret void
-L4:
-  call void @quux()
-  br label %L0
-}
-
-; Make sure the edge value of %0 from entry to L2 includes 0 and L3 is
-; reachable.
-; CHECK: test_switch_default
-; CHECK: entry:
-; CHECK: load
-; CHECK: switch
-; CHECK: [[THREADED:[A-Za-z.0-9]+]]:
-; CHECK: store
-; CHECK: br
-; CHECK: L2:
-; CHECK-SAME: preds = %entry, %entry
-; CHECK-NEXT: phi i32
-define void @test_switch_default(i32* nocapture %status) nounwind {
-entry:
-  %0 = load i32, i32* %status, align 4
-  switch i32 %0, label %L2 [
-    i32 5061, label %L1
-    i32 0, label %L2
-  ]
-
-L1:
-  store i32 10025, i32* %status, align 4
-  br label %L2
-
-L2:
-  %1 = load i32, i32* %status, align 4
-  %cmp57.i = icmp eq i32 %1, 0
-  br i1 %cmp57.i, label %L3, label %L4
-
-L3:
-  store i32 10000, i32* %status, align 4
-  br label %L4
-
-L4:
-  ret void
-}
-
-define void @unfold1(double %x, double %y) nounwind {
-entry:
-  %sub = fsub double %x, %y
-  %cmp = fcmp ogt double %sub, 1.000000e+01
-  br i1 %cmp, label %cond.end4, label %cond.false
-
-cond.false:                                       ; preds = %entry
-  %add = fadd double %x, %y
-  %cmp1 = fcmp ogt double %add, 1.000000e+01
-  %add. = select i1 %cmp1, double %add, double 0.000000e+00
-  br label %cond.end4
-
-cond.end4:                                        ; preds = %entry, %cond.false
-  %cond5 = phi double [ %add., %cond.false ], [ %sub, %entry ]
-  %cmp6 = fcmp oeq double %cond5, 0.000000e+00
-  br i1 %cmp6, label %if.then, label %if.end
-
-if.then:                                          ; preds = %cond.end4
-  call void @foo()
-  br label %if.end
-
-if.end:                                           ; preds = %if.then, %cond.end4
-  ret void
-
-; CHECK-LABEL: @unfold1
-; CHECK: br i1 %cmp, label %cond.end4, label %cond.false
-; CHECK: br i1 %cmp1, label %cond.end4, label %if.then
-; CHECK: br i1 %cmp6, label %if.then, label %if.end
-; CHECK: br label %if.end
-}
-
-
-define void @unfold2(i32 %x, i32 %y) nounwind {
-entry:
-  %sub = sub nsw i32 %x, %y
-  %cmp = icmp sgt i32 %sub, 10
-  br i1 %cmp, label %cond.end4, label %cond.false
-
-cond.false:                                       ; preds = %entry
-  %add = add nsw i32 %x, %y
-  %cmp1 = icmp sgt i32 %add, 10
-  %add. = select i1 %cmp1, i32 0, i32 %add
-  br label %cond.end4
-
-cond.end4:                                        ; preds = %entry, %cond.false
-  %cond5 = phi i32 [ %add., %cond.false ], [ %sub, %entry ]
-  %cmp6 = icmp eq i32 %cond5, 0
-  br i1 %cmp6, label %if.then, label %if.end
-
-if.then:                                          ; preds = %cond.end4
-  call void @foo()
-  br label %if.end
-
-if.end:                                           ; preds = %if.then, %cond.end4
-  ret void
-
-; CHECK-LABEL: @unfold2
-; CHECK: br i1 %cmp, label %if.end, label %cond.false
-; CHECK: br i1 %cmp1, label %if.then, label %cond.end4
-; CHECK: br i1 %cmp6, label %if.then, label %if.end
-; CHECK: br label %if.end
-}
-
-
-define i32 @unfold3(i32 %u, i32 %v, i32 %w, i32 %x, i32 %y, i32 %z, i32 %j) nounwind {
-entry:
-  %add3 = add nsw i32 %j, 2
-  %cmp.i = icmp slt i32 %u, %v
-  br i1 %cmp.i, label %.exit, label %cond.false.i
-
-cond.false.i:                                     ; preds = %entry
-  %cmp4.i = icmp sgt i32 %u, %v
-  br i1 %cmp4.i, label %.exit, label %cond.false.6.i
-
-cond.false.6.i:                                   ; preds = %cond.false.i
-  %cmp8.i = icmp slt i32 %w, %x
-  br i1 %cmp8.i, label %.exit, label %cond.false.10.i
-
-cond.false.10.i:                                  ; preds = %cond.false.6.i
-  %cmp13.i = icmp sgt i32 %w, %x
-  br i1 %cmp13.i, label %.exit, label %cond.false.15.i
-
-cond.false.15.i:                                  ; preds = %cond.false.10.i
-  %phitmp = icmp sge i32 %y, %z
-  br label %.exit
-
-.exit:                                  ; preds = %entry, %cond.false.i, %cond.false.6.i, %cond.false.10.i, %cond.false.15.i
-  %cond23.i = phi i1 [ false, %entry ], [ true, %cond.false.i ], [ false, %cond.false.6.i ], [ %phitmp, %cond.false.15.i ], [ true, %cond.false.10.i ]
-  %j.add3 = select i1 %cond23.i, i32 %j, i32 %add3
-  ret i32 %j.add3
-
-; CHECK-LABEL: @unfold3
-; CHECK: br i1 %cmp.i, label %.exit.thread2, label %cond.false.i
-; CHECK: br i1 %cmp4.i, label %.exit.thread, label %cond.false.6.i
-; CHECK: br i1 %cmp8.i, label %.exit.thread2, label %cond.false.10.i
-; CHECK: br i1 %cmp13.i, label %.exit.thread, label %.exit
-; CHECK: br i1 %phitmp, label %.exit.thread, label %.exit.thread2
-; CHECK: br label %.exit.thread2
-}
-
-define i32 @unfold4(i32 %u, i32 %v, i32 %w, i32 %x, i32 %y, i32 %z, i32 %j) nounwind {
-entry:
-  %add3 = add nsw i32 %j, 2
-  %cmp.i = icmp slt i32 %u, %v
-  br i1 %cmp.i, label %.exit, label %cond.false.i
-
-cond.false.i:                                     ; preds = %entry
-  %cmp4.i = icmp sgt i32 %u, %v
-  br i1 %cmp4.i, label %.exit, label %cond.false.6.i
-
-cond.false.6.i:                                   ; preds = %cond.false.i
-  %cmp8.i = icmp slt i32 %w, %x
-  br i1 %cmp8.i, label %.exit, label %cond.false.10.i
-
-cond.false.10.i:                                  ; preds = %cond.false.6.i
-  %cmp13.i = icmp sgt i32 %w, %x
-  br i1 %cmp13.i, label %.exit, label %cond.false.15.i
-
-cond.false.15.i:                                  ; preds = %cond.false.10.i
-  %cmp19.i = icmp sge i32 %y, %z
-  %conv = zext i1 %cmp19.i to i32
-  br label %.exit
-
-.exit:                                  ; preds = %entry, %cond.false.i, %cond.false.6.i, %cond.false.10.i, %cond.false.15.i
-  %cond23.i = phi i32 [ 1, %entry ], [ 0, %cond.false.i ], [ 1, %cond.false.6.i ], [ %conv, %cond.false.15.i ], [ 0, %cond.false.10.i ]
-  %lnot.i18 = icmp eq i32 %cond23.i, 1
-  %j.add3 = select i1 %lnot.i18, i32 %j, i32 %add3
-  ret i32 %j.add3
-
-; CHECK-LABEL: @unfold4
-; CHECK: br i1 %cmp.i, label %.exit.thread, label %cond.false.i
-; CHECK: br i1 %cmp4.i, label %.exit.thread3, label %cond.false.6.i
-; CHECK: br i1 %cmp8.i, label %.exit.thread, label %cond.false.10.i
-; CHECK: br i1 %cmp13.i, label %.exit.thread3, label %.exit
-; CHECK: br i1 %lnot.i18, label %.exit.thread, label %.exit.thread3
-; CHECK: br label %.exit.thread3
-}
-
-define i32 @unfold5(i32 %u, i32 %v, i32 %w, i32 %x, i32 %y, i32 %z, i32 %j) nounwind {
-entry:
-  %add3 = add nsw i32 %j, 2
-  %cmp.i = icmp slt i32 %u, %v
-  br i1 %cmp.i, label %.exit, label %cond.false.i
-
-cond.false.i:                                     ; preds = %entry
-  %cmp4.i = icmp sgt i32 %u, %v
-  br i1 %cmp4.i, label %.exit, label %cond.false.6.i
-
-cond.false.6.i:                                   ; preds = %cond.false.i
-  %cmp8.i = icmp slt i32 %w, %x
-  br i1 %cmp8.i, label %.exit, label %cond.false.10.i
-
-cond.false.10.i:                                  ; preds = %cond.false.6.i
-  %cmp13.i = icmp sgt i32 %w, %x
-  br i1 %cmp13.i, label %.exit, label %cond.false.15.i
-
-cond.false.15.i:                                  ; preds = %cond.false.10.i
-  %cmp19.i = icmp sge i32 %y, %z
-  %conv = zext i1 %cmp19.i to i32
-  br label %.exit
-
-.exit:                                  ; preds = %entry, %cond.false.i, %cond.false.6.i, %cond.false.10.i, %cond.false.15.i
-  %cond23.i = phi i32 [ 2, %entry ], [ 3, %cond.false.i ], [ 1, %cond.false.6.i ], [ %conv, %cond.false.15.i ], [ 7, %cond.false.10.i ]
-  %lnot.i18 = icmp sgt i32 %cond23.i, 5
-  %j.add3 = select i1 %lnot.i18, i32 %j, i32 %cond23.i
-  ret i32 %j.add3
-
-; CHECK-LABEL: @unfold5
-; CHECK: br i1 %cmp.i, label %.exit, label %cond.false.i
-; CHECK: br i1 %cmp4.i, label %.exit, label %cond.false.6.i
-; CHECK: br i1 %cmp8.i, label %.exit, label %cond.false.10.i
-; CHECK: br i1 %cmp13.i, label %.exit, label %cond.false.15.i
-; CHECK: br label %.exit
-}
-
-; When a select has a constant operand in one branch, and it feeds a phi node
-; and the phi node feeds a switch we unfold the select
-define void @test_func(i32* nocapture readonly %a, i32* nocapture readonly %b, i32* nocapture readonly %c, i32 %n) local_unnamed_addr #0 {
-entry:
-  br label %for.cond
-
-for.cond:                                         ; preds = %sw.default, %entry
-  %i.0 = phi i32 [ 0, %entry ], [ %inc, %sw.default ]
-  %cmp = icmp slt i32 %i.0, %n
-  br i1 %cmp, label %for.body, label %for.cond.cleanup
-
-for.cond.cleanup:                                 ; preds = %for.cond
-  ret void
-
-for.body:                                         ; preds = %for.cond
-  %0 = zext i32 %i.0 to i64
-  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %0
-  %1 = load i32, i32* %arrayidx, align 4
-  %cmp1 = icmp eq i32 %1, 4
-  br i1 %cmp1, label %land.lhs.true, label %if.end
-
-land.lhs.true:                                    ; preds = %for.body
-  %arrayidx3 = getelementptr inbounds i32, i32* %b, i64 %0
-  %2 = load i32, i32* %arrayidx3, align 4
-  %arrayidx5 = getelementptr inbounds i32, i32* %c, i64 %0
-  %3 = load i32, i32* %arrayidx5, align 4
-  %cmp6 = icmp eq i32 %2, %3
-  %spec.select = select i1 %cmp6, i32 2, i32 4
-  br label %if.end
-
-if.end:                                           ; preds = %land.lhs.true, %for.body
-  %local_var.0 = phi i32 [ %1, %for.body ], [ %spec.select, %land.lhs.true ]
-  switch i32 %local_var.0, label %sw.default [
-    i32 2, label %sw.bb
-    i32 4, label %sw.bb7
-    i32 5, label %sw.bb8
-    i32 7, label %sw.bb9
-  ]
-
-sw.bb:                                            ; preds = %if.end
-  call void @foo()
-  br label %sw.bb7
-
-sw.bb7:                                           ; preds = %if.end, %sw.bb
-  call void @bar()
-  br label %sw.bb8
-
-sw.bb8:                                           ; preds = %if.end, %sw.bb7
-  call void @baz()
-  br label %sw.bb9
-
-sw.bb9:                                           ; preds = %if.end, %sw.bb8
-  call void @quux()
-  br label %sw.default
-
-sw.default:                                       ; preds = %if.end, %sw.bb9
-  call void @baz()
-  %inc = add nuw nsw i32 %i.0, 1
-  br label %for.cond
-
-; CHECK-LABEL: @test_func(
-; CHECK: [[REG:%[0-9]+]] = load
-; CHECK-NOT: select
-; CHECK: br i1
-; CHECK-NOT: select
-; CHECK: br i1 {{.*}}, label [[DEST1:%.*]], label [[DEST2:%.*]]
-
-; The following line checks existence of a phi node, and makes sure
-; it only has one incoming value. To do this, we check every '%'. Note
-; that REG and REG2 each contain one '%;. There is another one in the
-; beginning of the incoming block name. After that there should be no other '%'.
-
-; CHECK: [[REG2:%.*]] = phi i32 {{[^%]*}}[[REG]]{{[^%]*%[^%]*}}
-; CHECK: switch i32 [[REG2]]
-; CHECK: i32 2, label [[DEST1]]
-; CHECK: i32 4, label [[DEST2]]
-}