1 ; PR1109 2 ; RUN: opt < %s -basicaa -gvn -instcombine -S | \ 3 ; RUN: grep {sub i32} 4 ; RUN: opt < %s -basicaa -gvn -instcombine -S | \ 5 ; RUN: not grep {ret i32 0} 6 ; END. 7 8 target datalayout = "e-p:32:32" 9 target triple = "i686-apple-darwin8" 10 %struct.CONSTRAINT = type { i32, i32, i32, i32 } 11 %struct.FILE_POS = type { i8, i8, i16, i32 } 12 %struct.FIRST_UNION = type { %struct.FILE_POS } 13 %struct.FOURTH_UNION = type { %struct.CONSTRAINT } 14 %struct.GAP = type { i8, i8, i16 } 15 %struct.LIST = type { %struct.rec*, %struct.rec* } 16 %struct.SECOND_UNION = type { { i16, i8, i8 } } 17 %struct.STYLE = type { { %struct.GAP }, { %struct.GAP }, i16, i16, i16, i8, i8 } 18 %struct.THIRD_UNION = type { { [2 x i32], [2 x i32] } } 19 %struct.closure_type = type { [2 x %struct.LIST], %struct.FIRST_UNION, %struct.SECOND_UNION, %struct.THIRD_UNION, %struct.FOURTH_UNION, %struct.rec*, { %struct.rec* } } 20 %struct.head_type = type { [2 x %struct.LIST], %struct.FIRST_UNION, %struct.SECOND_UNION, %struct.THIRD_UNION, %struct.FOURTH_UNION, %struct.rec*, { %struct.rec* }, %struct.rec*, %struct.rec*, %struct.rec*, %struct.rec*, %struct.rec*, %struct.rec*, %struct.rec*, %struct.rec*, i32 } 21 %struct.rec = type { %struct.head_type } 22 23 24 define i32 @test(%struct.closure_type* %tmp18169) { 25 %tmp18174 = getelementptr %struct.closure_type* %tmp18169, i32 0, i32 4, i32 0, i32 0 ; <i32*> [#uses=2] 26 %tmp18269 = bitcast i32* %tmp18174 to %struct.STYLE* ; <%struct.STYLE*> [#uses=1] 27 %A = load i32* %tmp18174 ; <i32> [#uses=1] 28 29 %tmp18272 = getelementptr %struct.STYLE* %tmp18269, i32 0, i32 0, i32 0, i32 2 ; <i16*> [#uses=1] 30 store i16 123, i16* %tmp18272 31 32 %Q = load i32* %tmp18174 ; <i32> [#uses=1] 33 %Z = sub i32 %A, %Q ; <i32> [#uses=1] 34 ret i32 %Z 35 } 36
