1 ; RUN: opt -sccp -S < %s 2 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" 3 target triple = "x86_64-apple-darwin10.0" 4 5 define void @test1(i8 %arg) { 6 entry: 7 br i1 undef, label %return, label %bb 8 9 bb: 10 br label %bb34 11 12 bb23: 13 %c = icmp eq i8 %arg, undef 14 br i1 %c, label %bb34, label %bb23 15 16 bb34: 17 %Kind.1 = phi i32 [ undef, %bb ], [ %ins174, %bb23 ] 18 %mask173 = or i32 %Kind.1, 7 19 %ins174 = and i32 %mask173, -249 20 br label %bb23 21 22 return: 23 ret void 24 } 25 26 define i32 @test2([4 x i32] %A) { 27 %B = extractvalue [4 x i32] %A, 1 28 ret i32 %B 29 } 30 31 define x86_mmx @test3() { 32 %load = load x86_mmx, x86_mmx* null 33 ret x86_mmx %load 34 } 35