From 815fb57226b4b177d6deeb961e0be1b416bf682c Mon Sep 17 00:00:00 2001 From: Dale Johannesen Date: Fri, 7 Nov 2008 01:30:18 +0000 Subject: Testcase for testb optimization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58827 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/X86/2008-11-06-testb.ll | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 test/CodeGen/X86/2008-11-06-testb.ll (limited to 'test/CodeGen/X86/2008-11-06-testb.ll') diff --git a/test/CodeGen/X86/2008-11-06-testb.ll b/test/CodeGen/X86/2008-11-06-testb.ll new file mode 100644 index 0000000000..069d5d6ade --- /dev/null +++ b/test/CodeGen/X86/2008-11-06-testb.ll @@ -0,0 +1,25 @@ +; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin | grep testb +; ModuleID = '' +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" +target triple = "i386-apple-darwin9.5" + %struct.x = type <{ i8, i8, i16 }> + +define i32 @foo(%struct.x* %p) nounwind { +entry: + %0 = getelementptr %struct.x* %p, i32 0, i32 0 ; [#uses=1] + store i8 55, i8* %0, align 1 + %1 = bitcast %struct.x* %p to i32* ; [#uses=1] + %2 = load i32* %1, align 1 ; [#uses=1] + %3 = and i32 %2, 512 ; [#uses=1] + %4 = icmp eq i32 %3, 0 ; [#uses=1] + br i1 %4, label %bb5, label %bb + +bb: ; preds = %entry + %5 = tail call i32 (...)* @xx() nounwind ; [#uses=1] + ret i32 %5 + +bb5: ; preds = %entry + ret i32 0 +} + +declare i32 @xx(...) -- cgit v1.2.3