1 ; RUN: opt < %s -instcombine -S | \ 2 ; RUN: grep "icmp sgt" 3 ; END. 4 target datalayout = "e-p:32:32" 5 target triple = "i686-pc-linux-gnu" 6 %struct.point = type { i32, i32 } 7 8 define i32 @visible(i32 %direction, i64 %p1.0, i64 %p2.0, i64 %p3.0) { 9 entry: 10 %p1_addr = alloca %struct.point ; <%struct.point*> [#uses=2] 11 %p2_addr = alloca %struct.point ; <%struct.point*> [#uses=2] 12 %p3_addr = alloca %struct.point ; <%struct.point*> [#uses=2] 13 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] 14 %tmp = bitcast %struct.point* %p1_addr to { i64 }* ; <{ i64 }*> [#uses=1] 15 %tmp.upgrd.1 = getelementptr { i64 }, { i64 }* %tmp, i64 0, i32 0 ; <i64*> [#uses=1] 16 store i64 %p1.0, i64* %tmp.upgrd.1 17 %tmp1 = bitcast %struct.point* %p2_addr to { i64 }* ; <{ i64 }*> [#uses=1] 18 %tmp2 = getelementptr { i64 }, { i64 }* %tmp1, i64 0, i32 0 ; <i64*> [#uses=1] 19 store i64 %p2.0, i64* %tmp2 20 %tmp3 = bitcast %struct.point* %p3_addr to { i64 }* ; <{ i64 }*> [#uses=1] 21 %tmp4 = getelementptr { i64 }, { i64 }* %tmp3, i64 0, i32 0 ; <i64*> [#uses=1] 22 store i64 %p3.0, i64* %tmp4 23 %tmp.upgrd.2 = icmp eq i32 %direction, 0 ; <i1> [#uses=1] 24 %tmp5 = bitcast %struct.point* %p1_addr to { i64 }* ; <{ i64 }*> [#uses=1] 25 %tmp6 = getelementptr { i64 }, { i64 }* %tmp5, i64 0, i32 0 ; <i64*> [#uses=1] 26 %tmp.upgrd.3 = load i64, i64* %tmp6 ; <i64> [#uses=1] 27 %tmp7 = bitcast %struct.point* %p2_addr to { i64 }* ; <{ i64 }*> [#uses=1] 28 %tmp8 = getelementptr { i64 }, { i64 }* %tmp7, i64 0, i32 0 ; <i64*> [#uses=1] 29 %tmp9 = load i64, i64* %tmp8 ; <i64> [#uses=1] 30 %tmp10 = bitcast %struct.point* %p3_addr to { i64 }* ; <{ i64 }*> [#uses=1] 31 %tmp11 = getelementptr { i64 }, { i64 }* %tmp10, i64 0, i32 0 ; <i64*> [#uses=1] 32 %tmp12 = load i64, i64* %tmp11 ; <i64> [#uses=1] 33 %tmp13 = call i32 @determinant( i64 %tmp.upgrd.3, i64 %tmp9, i64 %tmp12 ) ; <i32> [#uses=2] 34 br i1 %tmp.upgrd.2, label %cond_true, label %cond_false 35 36 cond_true: ; preds = %entry 37 %tmp14 = icmp slt i32 %tmp13, 0 ; <i1> [#uses=1] 38 %tmp14.upgrd.4 = zext i1 %tmp14 to i32 ; <i32> [#uses=1] 39 br label %return 40 41 cond_false: ; preds = %entry 42 %tmp26 = icmp sgt i32 %tmp13, 0 ; <i1> [#uses=1] 43 %tmp26.upgrd.5 = zext i1 %tmp26 to i32 ; <i32> [#uses=1] 44 br label %return 45 46 return: ; preds = %cond_false, %cond_true 47 %retval.0 = phi i32 [ %tmp14.upgrd.4, %cond_true ], [ %tmp26.upgrd.5, %cond_false ] ; <i32> [#uses=1] 48 ret i32 %retval.0 49 } 50 51 declare i32 @determinant(i64, i64, i64) 52
