1; RUN: opt < %s -passes=instcombine -S | \ 2; RUN: grep "icmp sgt" 3; END. 4target datalayout = "e-p:32:32" 5target triple = "i686-pc-linux-gnu" 6 %struct.point = type { i32, i32 } 7 8define i32 @visible(i32 %direction, i64 %p1.0, i64 %p2.0, i64 %p3.0) { 9entry: 10 %p1_addr = alloca %struct.point ; <ptr> [#uses=2] 11 %p2_addr = alloca %struct.point ; <ptr> [#uses=2] 12 %p3_addr = alloca %struct.point ; <ptr> [#uses=2] 13 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] 14 %tmp.upgrd.1 = getelementptr { i64 }, ptr %p1_addr, i64 0, i32 0 ; <ptr> [#uses=1] 15 store i64 %p1.0, ptr %tmp.upgrd.1 16 %tmp2 = getelementptr { i64 }, ptr %p2_addr, i64 0, i32 0 ; <ptr> [#uses=1] 17 store i64 %p2.0, ptr %tmp2 18 %tmp4 = getelementptr { i64 }, ptr %p3_addr, i64 0, i32 0 ; <ptr> [#uses=1] 19 store i64 %p3.0, ptr %tmp4 20 %tmp.upgrd.2 = icmp eq i32 %direction, 0 ; <i1> [#uses=1] 21 %tmp6 = getelementptr { i64 }, ptr %p1_addr, i64 0, i32 0 ; <ptr> [#uses=1] 22 %tmp.upgrd.3 = load i64, ptr %tmp6 ; <i64> [#uses=1] 23 %tmp8 = getelementptr { i64 }, ptr %p2_addr, i64 0, i32 0 ; <ptr> [#uses=1] 24 %tmp9 = load i64, ptr %tmp8 ; <i64> [#uses=1] 25 %tmp11 = getelementptr { i64 }, ptr %p3_addr, i64 0, i32 0 ; <ptr> [#uses=1] 26 %tmp12 = load i64, ptr %tmp11 ; <i64> [#uses=1] 27 %tmp13 = call i32 @determinant( i64 %tmp.upgrd.3, i64 %tmp9, i64 %tmp12 ) ; <i32> [#uses=2] 28 br i1 %tmp.upgrd.2, label %cond_true, label %cond_false 29 30cond_true: ; preds = %entry 31 %tmp14 = icmp slt i32 %tmp13, 0 ; <i1> [#uses=1] 32 %tmp14.upgrd.4 = zext i1 %tmp14 to i32 ; <i32> [#uses=1] 33 br label %return 34 35cond_false: ; preds = %entry 36 %tmp26 = icmp sgt i32 %tmp13, 0 ; <i1> [#uses=1] 37 %tmp26.upgrd.5 = zext i1 %tmp26 to i32 ; <i32> [#uses=1] 38 br label %return 39 40return: ; preds = %cond_false, %cond_true 41 %retval.0 = phi i32 [ %tmp14.upgrd.4, %cond_true ], [ %tmp26.upgrd.5, %cond_false ] ; <i32> [#uses=1] 42 ret i32 %retval.0 43} 44 45declare i32 @determinant(i64, i64, i64) 46