diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/Inline/noinline-recursive-fn.ll | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/test/Transforms/Inline/noinline-recursive-fn.ll b/test/Transforms/Inline/noinline-recursive-fn.ll index dcae024..1d5ebbb 100644 --- a/test/Transforms/Inline/noinline-recursive-fn.ll +++ b/test/Transforms/Inline/noinline-recursive-fn.ll @@ -2,7 +2,7 @@ ; 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 | grep "call void @foo(i32 42)" +; RUN: opt -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" @@ -11,7 +11,6 @@ target triple = "x86_64-apple-darwin10.3" define internal void @foo(i32 %x) nounwind ssp { entry: - %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] %0 = icmp slt i32 %x, 0 ; <i1> [#uses=1] br i1 %0, label %return, label %bb @@ -25,8 +24,50 @@ return: ; preds = %entry ret void } + +;; CHECK: @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 + volatile store 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 + volatile store i32 13, i32* @g, align 4 + ret void + +return: ; preds = %entry + ret void +} + + +; CHECK: @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 +} |