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-rw-r--r--llvm/test/Transforms/Inline/noinline-recursive-fn.ll111
1 files changed, 0 insertions, 111 deletions
diff --git a/llvm/test/Transforms/Inline/noinline-recursive-fn.ll b/llvm/test/Transforms/Inline/noinline-recursive-fn.ll
deleted file mode 100644
index 2b1851bd46b..00000000000
--- a/llvm/test/Transforms/Inline/noinline-recursive-fn.ll
+++ /dev/null
@@ -1,111 +0,0 @@
-; The inliner should never inline recursive functions into other functions.
-; This effectively is just peeling off the first iteration of a loop, and the
-; inliner heuristics are not set up for this.
-
-; RUN: opt -inline -S < %s | FileCheck %s
-; RUN: opt -passes='cgscc(inline)' -S < %s | FileCheck %s
-
-target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
-target triple = "x86_64-apple-darwin10.3"
-
-@g = common global i32 0 ; <i32*> [#uses=1]
-
-define internal void @foo(i32 %x) nounwind ssp {
-entry:
- %0 = icmp slt i32 %x, 0 ; <i1> [#uses=1]
- br i1 %0, label %return, label %bb
-
-bb: ; preds = %entry
- %1 = sub nsw i32 %x, 1 ; <i32> [#uses=1]
- call void @foo(i32 %1) nounwind ssp
- store volatile i32 1, i32* @g, align 4
- ret void
-
-return: ; preds = %entry
- ret void
-}
-
-
-;; CHECK-LABEL: @bonk(
-;; CHECK: call void @foo(i32 42)
-define void @bonk() nounwind ssp {
-entry:
- call void @foo(i32 42) nounwind ssp
- ret void
-}
-
-
-
-;; Here is an indirect case that should not be infinitely inlined.
-
-define internal void @f1(i32 %x, i8* %Foo, i8* %Bar) nounwind ssp {
-entry:
- %0 = bitcast i8* %Bar to void (i32, i8*, i8*)*
- %1 = sub nsw i32 %x, 1
- call void %0(i32 %1, i8* %Foo, i8* %Bar) nounwind
- store volatile i32 42, i32* @g, align 4
- ret void
-}
-
-define internal void @f2(i32 %x, i8* %Foo, i8* %Bar) nounwind ssp {
-entry:
- %0 = icmp slt i32 %x, 0 ; <i1> [#uses=1]
- br i1 %0, label %return, label %bb
-
-bb: ; preds = %entry
- %1 = bitcast i8* %Foo to void (i32, i8*, i8*)* ; <void (i32, i8*, i8*)*> [#uses=1]
- call void %1(i32 %x, i8* %Foo, i8* %Bar) nounwind
- store volatile i32 13, i32* @g, align 4
- ret void
-
-return: ; preds = %entry
- ret void
-}
-
-
-; CHECK-LABEL: @top_level(
-; CHECK: call void @f2(i32 122
-; Here we inline one instance of the cycle, but we don't want to completely
-; unroll it.
-define void @top_level() nounwind ssp {
-entry:
- call void @f2(i32 123, i8* bitcast (void (i32, i8*, i8*)* @f1 to i8*), i8* bitcast (void (i32, i8*, i8*)* @f2 to i8*)) nounwind ssp
- ret void
-}
-
-
-; Check that a recursive function, when called with a constant that makes the
-; recursive path dead code can actually be inlined.
-define i32 @fib(i32 %i) {
-entry:
- %is.zero = icmp eq i32 %i, 0
- br i1 %is.zero, label %zero.then, label %zero.else
-
-zero.then:
- ret i32 0
-
-zero.else:
- %is.one = icmp eq i32 %i, 1
- br i1 %is.one, label %one.then, label %one.else
-
-one.then:
- ret i32 1
-
-one.else:
- %i1 = sub i32 %i, 1
- %f1 = call i32 @fib(i32 %i1)
- %i2 = sub i32 %i, 2
- %f2 = call i32 @fib(i32 %i2)
- %f = add i32 %f1, %f2
- ret i32 %f
-}
-
-define i32 @fib_caller() {
-; CHECK-LABEL: @fib_caller(
-; CHECK-NOT: call
-; CHECK: ret
- %f1 = call i32 @fib(i32 0)
- %f2 = call i32 @fib(i32 1)
- %result = add i32 %f1, %f2
- ret i32 %result
-}
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