1 ; RUN: llc < %s -march=x86 -mtriple=i386-unknown-linux-gnu 2 ; PR3995 3 4 %struct.vtable = type { i32 (...)** } 5 %struct.array = type { %struct.impl, [256 x %struct.pair], [256 x %struct.pair], [256 x %struct.pair], [256 x %struct.pair], [256 x %struct.pair], [256 x %struct.pair] } 6 %struct.impl = type { %struct.vtable, i8, %struct.impl*, i32, i32, i64, i64 } 7 %struct.pair = type { i64, i64 } 8 9 define void @test() { 10 entry: 11 %0 = load i32* null, align 4 ; <i32> [#uses=1] 12 %1 = lshr i32 %0, 8 ; <i32> [#uses=1] 13 %2 = and i32 %1, 255 ; <i32> [#uses=1] 14 %3 = getelementptr %struct.array* null, i32 0, i32 3 ; <[256 x %struct.pair]*> [#uses=1] 15 %4 = getelementptr [256 x %struct.pair]* %3, i32 0, i32 %2 ; <%struct.pair*> [#uses=1] 16 %5 = getelementptr %struct.pair* %4, i32 0, i32 1 ; <i64*> [#uses=1] 17 %6 = load i64* %5, align 4 ; <i64> [#uses=1] 18 %7 = xor i64 0, %6 ; <i64> [#uses=1] 19 %8 = xor i64 %7, 0 ; <i64> [#uses=1] 20 %9 = xor i64 %8, 0 ; <i64> [#uses=1] 21 store i64 %9, i64* null, align 8 22 unreachable 23 } 24
