Remove missing file from r279433 reversal

llvm-svn: 279434

1 files changed, 0 insertions, 97 deletions

diff --git a/llvm/test/Analysis/ValueTracking/iv-known-sign.ll b/llvm/test/Analysis/ValueTracking/iv-known-sign.ll
deleted file mode 100644
index 303031b7f0f..00000000000
--- a/llvm/test/Analysis/ValueTracking/iv-known-sign.ll
+++ /dev/null
@@ -1,97 +0,0 @@
-; RUN: opt < %s -instcombine -S | FileCheck %s
-
-; Induction variable is known to be non-negative
-; when its initial value is non-negative and 
-; increments by non-negative value
-define i32 @test_indvar_nonnegative_add() {
-; CHECK-LABEL: @test_indvar_nonnegative_add(
-; CHECK: br i1 true, label %for.end, label %for.body
-entry:
-  br label %for.body
-
-for.body:
-  %i = phi i32 [0, %entry], [%inc, %for.body]
-  %inc = add nsw i32 %i, 1
-  %cmp = icmp sge i32 %i, 0
-  br i1 %cmp, label %for.end, label %for.body
-
-for.end:
-  ret i32 %i
-}
-
-; Induction variable is known to be non-negative
-; when its initial value is non-negative and 
-; is multiplied by a non-negative value in each 
-; iteration
-define i32 @test_indvar_nonnegative_mul() {
-; CHECK-LABEL: @test_indvar_nonnegative_mul(
-; CHECK: br i1 true, label %for.end, label %for.body
-entry:
-  br label %for.body
-
-for.body:
-  %i = phi i32 [1, %entry], [%inc, %for.body]
-  %inc = mul nsw i32 %i, 3
-  %cmp = icmp sge i32 %i, 0
-  br i1 %cmp, label %for.end, label %for.body
-
-for.end:
-  ret i32 %i
-}
-
-; Induction variable is known to be non-negative,
-; Similar to add
-define i32 @test_indvar_nonnegative_sub(i32 %a) {
-; CHECK-LABEL: @test_indvar_nonnegative_sub(
-; CHECK: br i1 true, label %for.end, label %for.body
-entry:
-  br label %for.body
-
-for.body:
-  %i = phi i32 [0, %entry], [%inc, %for.body]
-  %b = or i32 %a, -2147483648
-  %inc = sub nsw i32 %i, %b
-  %cmp = icmp sge i32 %i, 0
-  br i1 %cmp, label %for.end, label %for.body
-
-for.end:
-  ret i32 %i
-}
-
-; Induction variable is known to be negative when 
-; its initial value is negative and decrements by
-; a non-negative value
-define i32 @test_indvar_negative_add() {
-; CHECK-LABEL: @test_indvar_negative_add(
-; CHECK: br i1 true, label %for.end, label %for.body
-entry:
-  br label %for.body
-
-for.body:
-  %i = phi i32 [-1, %entry], [%inc, %for.body]
-  %inc = add nsw i32 %i, -1
-  %cmp = icmp slt i32 %i, 0
-  br i1 %cmp, label %for.end, label %for.body
-
-for.end:
-  ret i32 %i
-}
-
-; Induction variable is known to be negative,
-; similar to add
-define i32 @test_indvar_negative_sub(i32 %a) {
-; CHECK-LABEL: @test_indvar_negative_sub(
-; CHECK: br i1 true, label %for.end, label %for.body
-entry:
-  br label %for.body
-
-for.body:
-  %i = phi i32 [-1, %entry], [%inc, %for.body]
-  %b = and i32 %a, 2147483647
-  %inc = sub nsw i32 %i, %b
-  %cmp = icmp slt i32 %i, 0
-  br i1 %cmp, label %for.end, label %for.body
-
-for.end:
-  ret i32 %i
-}