diff options
Diffstat (limited to 'test/CodeGen/X86/fold-load.ll')
-rw-r--r-- | test/CodeGen/X86/fold-load.ll | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/test/CodeGen/X86/fold-load.ll b/test/CodeGen/X86/fold-load.ll index eb182da..5525af2 100644 --- a/test/CodeGen/X86/fold-load.ll +++ b/test/CodeGen/X86/fold-load.ll @@ -1,11 +1,12 @@ -; RUN: llc < %s -march=x86 +; RUN: llc < %s -march=x86 | FileCheck %s %struct._obstack_chunk = type { i8*, %struct._obstack_chunk*, [4 x i8] } %struct.obstack = type { i32, %struct._obstack_chunk*, i8*, i8*, i8*, i32, i32, %struct._obstack_chunk* (...)*, void (...)*, i8*, i8 } @stmt_obstack = external global %struct.obstack ; <%struct.obstack*> [#uses=1] -define void @expand_start_bindings() { +; This should just not crash. +define void @test1() nounwind { entry: - br i1 false, label %cond_true, label %cond_next + br i1 true, label %cond_true, label %cond_next cond_true: ; preds = %entry %new_size.0.i = select i1 false, i32 0, i32 0 ; <i32> [#uses=1] @@ -25,3 +26,22 @@ cond_false30.i: ; preds = %cond_true cond_next: ; preds = %entry ret void } + + + +define i32 @test2(i16* %P, i16* %Q) nounwind { + %A = load i16* %P, align 4 ; <i16> [#uses=11] + %C = zext i16 %A to i32 ; <i32> [#uses=1] + %D = and i32 %C, 255 ; <i32> [#uses=1] + br label %L +L: + + store i16 %A, i16* %Q + ret i32 %D + +; CHECK: test2: +; CHECK: movl 4(%esp), %eax +; CHECK-NEXT: movzwl (%eax), %ecx + +} + |