From 947780b1f973dabd3077dd328cc65823578ca475 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sat, 28 Apr 2007 00:54:45 +0000 Subject: [PATCH] new testcase git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36520 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/InstCombine/bitcast-gep.ll | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 test/Transforms/InstCombine/bitcast-gep.ll diff --git a/test/Transforms/InstCombine/bitcast-gep.ll b/test/Transforms/InstCombine/bitcast-gep.ll new file mode 100644 index 00000000000..5a514ab5c67 --- /dev/null +++ b/test/Transforms/InstCombine/bitcast-gep.ll @@ -0,0 +1,19 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep bitcast +; RUN: llvm-as < %s | opt -instcombine -scalarrepl | llvm-dis | grep {ret i8. %v} +; PR1345 + +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" +target triple = "powerpc-apple-darwin8.8.0" + +define i8* @test(i8* %v) { + %A = alloca [4 x i8*], align 16 ; <[4 x i8*]*> [#uses=3] + %B = getelementptr [4 x i8*]* %A, i32 0, i32 0 ; [#uses=1] + store i8* null, i8** %B + %C = bitcast [4 x i8*]* %A to { [16 x i8] }* ; <{ [16 x i8] }*> [#uses=1] + %D = getelementptr { [16 x i8] }* %C, i32 0, i32 0, i32 8 ; [#uses=1] + %E = bitcast i8* %D to i8** ; [#uses=1] + store i8* %v, i8** %E + %F = getelementptr [4 x i8*]* %A, i32 0, i32 2 ; [#uses=1] + %G = load i8** %F ; [#uses=1] + ret i8* %G +} -- 2.34.1