YouCompleteMe/cpp/llvm/test/Transforms/ScalarRepl/2008-01-29-PromoteBug.ll
2012-07-05 17:51:06 -07:00

22 lines
890 B
LLVM

; RUN: opt < %s -scalarrepl -instcombine -S | grep {ret i8 17}
; rdar://5707076
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-n8:16:32"
target triple = "i386-apple-darwin9.1.0"
%struct.T = type <{ i8, [3 x i8] }>
define i8 @f() {
entry:
%s = alloca [1 x %struct.T], align 4 ; <[1 x %struct.T]*> [#uses=2]
%T3 = bitcast [1 x %struct.T]* %s to i32*
store i32 -61184, i32* %T3
%tmp16 = getelementptr [1 x %struct.T]* %s, i32 0, i32 0 ; <%struct.T*> [#uses=1]
%tmp17 = getelementptr %struct.T* %tmp16, i32 0, i32 1 ; <[3 x i8]*> [#uses=1]
%tmp1718 = bitcast [3 x i8]* %tmp17 to i32* ; <i32*> [#uses=1]
%tmp19 = load i32* %tmp1718, align 4 ; <i32> [#uses=1]
%mask = and i32 %tmp19, 16777215 ; <i32> [#uses=2]
%mask2324 = trunc i32 %mask to i8 ; <i8> [#uses=1]
ret i8 %mask2324
}