1 ; This test case was reduced from MultiSource/Applications/hbd. It makes sure
2 ; that folding doesn't happen in case a zext is applied where a sext should have
3 ; been when a setcc is used with two casts.
4 ; RUN: llvm-upgrade < %s | llvm-as | llc -instcombine | llvm-dis | not grep 'br bool false'
5 int %bug(ubyte %inbuff) {
7 %tmp = bitcast ubyte %inbuff to sbyte ; <sbyte> [#uses=1]
8 %tmp = sext sbyte %tmp to int ; <int> [#uses=3]
9 %tmp = seteq int %tmp, 1 ; <bool> [#uses=1]
10 br bool %tmp, label %cond_true, label %cond_next
12 cond_true: ; preds = %entry
15 cond_next: ; preds = %entry
16 %tmp3 = seteq int %tmp, -1 ; <bool> [#uses=1]
17 br bool %tmp3, label %cond_true4, label %cond_next5
19 cond_true4: ; preds = %cond_next
22 cond_next5: ; preds = %cond_next
23 %tmp7 = setgt int %tmp, 1 ; <bool> [#uses=1]
24 br bool %tmp7, label %cond_true8, label %cond_false
26 cond_true8: ; preds = %cond_next5
29 cond_false: ; preds = %cond_next5
32 cond_next9: ; preds = %cond_false, %cond_true8
33 %iftmp.1.0 = phi int [ 42, %cond_true8 ], [ 23, %cond_false ] ; <int> [#uses=1]
36 bb: ; preds = %cond_true4, %cond_true
39 return: ; preds = %bb, %cond_next9
40 %retval.0 = phi int [ 17, %bb ], [ %iftmp.1.0, %cond_next9 ] ; <int> [#uses=1]