1 ; RUN: opt < %s -tailduplicate | \ 2 ; RUN: llc -march=x86 -o %t 3 ; RUN: grep {\\\<je\\\>} %t 4 ; RUN: not grep jmp %t 5 ; END. 6 ; This should have no unconditional jumps in it. The C source is: 7 8 ;void foo(int c, int* P) { 9 ; if (c & 1) P[0] = 1; 10 ; if (c & 2) P[1] = 1; 11 ; if (c & 4) P[2] = 1; 12 ; if (c & 8) P[3] = 1; 13 ;} 14 15 define void @foo(i32 %c, i32* %P) { 16 entry: 17 %tmp1 = and i32 %c, 1 ; <i32> [#uses=1] 18 %tmp1.upgrd.1 = icmp eq i32 %tmp1, 0 ; <i1> [#uses=1] 19 br i1 %tmp1.upgrd.1, label %cond_next, label %cond_true 20 cond_true: ; preds = %entry 21 store i32 1, i32* %P 22 br label %cond_next 23 cond_next: ; preds = %cond_true, %entry 24 %tmp5 = and i32 %c, 2 ; <i32> [#uses=1] 25 %tmp5.upgrd.2 = icmp eq i32 %tmp5, 0 ; <i1> [#uses=1] 26 br i1 %tmp5.upgrd.2, label %cond_next10, label %cond_true6 27 cond_true6: ; preds = %cond_next 28 %tmp8 = getelementptr i32* %P, i32 1 ; <i32*> [#uses=1] 29 store i32 1, i32* %tmp8 30 br label %cond_next10 31 cond_next10: ; preds = %cond_true6, %cond_next 32 %tmp13 = and i32 %c, 4 ; <i32> [#uses=1] 33 %tmp13.upgrd.3 = icmp eq i32 %tmp13, 0 ; <i1> [#uses=1] 34 br i1 %tmp13.upgrd.3, label %cond_next18, label %cond_true14 35 cond_true14: ; preds = %cond_next10 36 %tmp16 = getelementptr i32* %P, i32 2 ; <i32*> [#uses=1] 37 store i32 1, i32* %tmp16 38 br label %cond_next18 39 cond_next18: ; preds = %cond_true14, %cond_next10 40 %tmp21 = and i32 %c, 8 ; <i32> [#uses=1] 41 %tmp21.upgrd.4 = icmp eq i32 %tmp21, 0 ; <i1> [#uses=1] 42 br i1 %tmp21.upgrd.4, label %return, label %cond_true22 43 cond_true22: ; preds = %cond_next18 44 %tmp24 = getelementptr i32* %P, i32 3 ; <i32*> [#uses=1] 45 store i32 1, i32* %tmp24 46 ret void 47 return: ; preds = %cond_next18 48 ret void 49 } 50
