1 ; RUN: llc < %s -march=x86 2 ; PR4188 3 ; ModuleID = '<stdin>' 4 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" 5 target triple = "i386-apple-darwin9.6" 6 @g_9 = external global i32 ; <i32*> [#uses=1] 7 8 define i32 @int86(i32 %p_87) nounwind { 9 entry: 10 %0 = trunc i32 %p_87 to i8 ; <i8> [#uses=1] 11 %1 = icmp ne i8 %0, 0 ; <i1> [#uses=1] 12 br label %bb 13 14 bb: ; preds = %bb.i, %bb, %entry 15 %2 = volatile load i32* @g_9, align 4 ; <i32> [#uses=2] 16 %3 = icmp sgt i32 %2, 1 ; <i1> [#uses=1] 17 %4 = and i1 %3, %1 ; <i1> [#uses=1] 18 br i1 %4, label %bb.i, label %bb 19 20 bb.i: ; preds = %bb 21 %5 = icmp sgt i32 0, %2 ; <i1> [#uses=0] 22 br label %bb 23 } 24