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llvm-mirror/test/Transforms/InstCombine/cast-store-gep.ll
Chris Lattner d386e82ec9 Make InstCombineStoreToCast handle aggregates more aggressively,
handling the case in Transforms/InstCombine/cast-store-gep.ll, which
is a heavily reduced testcase from Clang on x86-64.

llvm-svn: 62904
2009-01-24 01:00:13 +00:00

18 lines
652 B
LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep inttoptr
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep alloca
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"
target triple = "x86_64-apple-darwin10.0"
%T = type { i8*, i8 }
define i8* @test(i8* %Val, i64 %V) nounwind {
entry:
%A = alloca %T, align 8
%mrv_gep = bitcast %T* %A to i64* ; <i64*> [#uses=1]
%B = getelementptr %T* %A, i64 0, i32 0 ; <i8**> [#uses=1]
store i64 %V, i64* %mrv_gep
%C = load i8** %B, align 8 ; <i8*> [#uses=1]
ret i8* %C
}