diff options
Diffstat (limited to 'test/Transforms/SimplifyCFG/2005-06-16-PHICrash.ll')
| -rw-r--r-- | test/Transforms/SimplifyCFG/2005-06-16-PHICrash.ll | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/2005-06-16-PHICrash.ll b/test/Transforms/SimplifyCFG/2005-06-16-PHICrash.ll new file mode 100644 index 000000000000..7fea2921b023 --- /dev/null +++ b/test/Transforms/SimplifyCFG/2005-06-16-PHICrash.ll @@ -0,0 +1,95 @@ +; RUN: llvm-as < %s | opt -simplifycfg -disable-output +; PR584 +@g_38098584 = external global i32 ; <i32*> [#uses=1] +@g_60187400 = external global i32 ; <i32*> [#uses=1] +@g_59182229 = external global i32 ; <i32*> [#uses=2] + +define i32 @_Z13func_26556482h(i8 %l_88173906) { +entry: + %tmp.1 = bitcast i8 %l_88173906 to i8 ; <i8> [#uses=2] + %tmp.3 = icmp eq i8 %l_88173906, 0 ; <i1> [#uses=1] + br i1 %tmp.3, label %else.0, label %then.0 +then.0: ; preds = %entry + %tmp.5 = icmp eq i8 %l_88173906, 0 ; <i1> [#uses=1] + br i1 %tmp.5, label %else.1, label %then.1 +then.1: ; preds = %then.0 + br label %return +else.1: ; preds = %then.0 + br label %loopentry.0 +loopentry.0: ; preds = %no_exit.0, %else.1 + %i.0.1 = phi i32 [ 0, %else.1 ], [ %inc.0, %no_exit.0 ] ; <i32> [#uses=2] + %tmp.9 = icmp sgt i32 %i.0.1, 99 ; <i1> [#uses=1] + br i1 %tmp.9, label %endif.0, label %no_exit.0 +no_exit.0: ; preds = %loopentry.0 + %inc.0 = add i32 %i.0.1, 1 ; <i32> [#uses=1] + br label %loopentry.0 +else.0: ; preds = %entry + %tmp.12 = sext i8 %tmp.1 to i32 ; <i32> [#uses=1] + br label %return +endif.0: ; preds = %loopentry.0 + %tmp.14 = sext i8 %tmp.1 to i32 ; <i32> [#uses=1] + %tmp.16 = zext i8 %l_88173906 to i32 ; <i32> [#uses=1] + %tmp.17 = icmp sgt i32 %tmp.14, %tmp.16 ; <i1> [#uses=1] + %tmp.19 = load i32* @g_59182229 ; <i32> [#uses=2] + br i1 %tmp.17, label %cond_true, label %cond_false +cond_true: ; preds = %endif.0 + %tmp.20 = icmp ne i32 %tmp.19, 1 ; <i1> [#uses=1] + br label %cond_continue +cond_false: ; preds = %endif.0 + %tmp.22 = icmp ne i32 %tmp.19, 0 ; <i1> [#uses=1] + br label %cond_continue +cond_continue: ; preds = %cond_false, %cond_true + %mem_tmp.0 = phi i1 [ %tmp.20, %cond_true ], [ %tmp.22, %cond_false ] ; <i1> [#uses=1] + br i1 %mem_tmp.0, label %then.2, label %else.2 +then.2: ; preds = %cond_continue + %tmp.25 = zext i8 %l_88173906 to i32 ; <i32> [#uses=1] + br label %return +else.2: ; preds = %cond_continue + br label %loopentry.1 +loopentry.1: ; preds = %endif.3, %else.2 + %i.1.1 = phi i32 [ 0, %else.2 ], [ %inc.3, %endif.3 ] ; <i32> [#uses=2] + %i.3.2 = phi i32 [ undef, %else.2 ], [ %i.3.0, %endif.3 ] ; <i32> [#uses=2] + %l_88173906_addr.1 = phi i8 [ %l_88173906, %else.2 ], [ %l_88173906_addr.0, %endif.3 ] ; <i8> [#uses=3] + %tmp.29 = icmp sgt i32 %i.1.1, 99 ; <i1> [#uses=1] + br i1 %tmp.29, label %endif.2, label %no_exit.1 +no_exit.1: ; preds = %loopentry.1 + %tmp.30 = load i32* @g_38098584 ; <i32> [#uses=1] + %tmp.31 = icmp eq i32 %tmp.30, 0 ; <i1> [#uses=1] + br i1 %tmp.31, label %else.3, label %then.3 +then.3: ; preds = %no_exit.1 + br label %endif.3 +else.3: ; preds = %no_exit.1 + br i1 false, label %else.4, label %then.4 +then.4: ; preds = %else.3 + br label %endif.3 +else.4: ; preds = %else.3 + br i1 false, label %else.5, label %then.5 +then.5: ; preds = %else.4 + store i32 -1004318825, i32* @g_59182229 + br label %return +else.5: ; preds = %else.4 + br label %loopentry.3 +loopentry.3: ; preds = %then.7, %else.5 + %i.3.3 = phi i32 [ 0, %else.5 ], [ %inc.2, %then.7 ] ; <i32> [#uses=3] + %tmp.55 = icmp sgt i32 %i.3.3, 99 ; <i1> [#uses=1] + br i1 %tmp.55, label %endif.3, label %no_exit.3 +no_exit.3: ; preds = %loopentry.3 + %tmp.57 = icmp eq i8 %l_88173906_addr.1, 0 ; <i1> [#uses=1] + br i1 %tmp.57, label %else.7, label %then.7 +then.7: ; preds = %no_exit.3 + store i32 16239, i32* @g_60187400 + %inc.2 = add i32 %i.3.3, 1 ; <i32> [#uses=1] + br label %loopentry.3 +else.7: ; preds = %no_exit.3 + br label %return +endif.3: ; preds = %loopentry.3, %then.4, %then.3 + %i.3.0 = phi i32 [ %i.3.2, %then.3 ], [ %i.3.2, %then.4 ], [ %i.3.3, %loopentry.3 ] ; <i32> [#uses=1] + %l_88173906_addr.0 = phi i8 [ 100, %then.3 ], [ %l_88173906_addr.1, %then.4 ], [ %l_88173906_addr.1, %loopentry.3 ] ; <i8> [#uses=1] + %inc.3 = add i32 %i.1.1, 1 ; <i32> [#uses=1] + br label %loopentry.1 +endif.2: ; preds = %loopentry.1 + br label %return +return: ; preds = %endif.2, %else.7, %then.5, %then.2, %else.0, %then.1 + %result.0 = phi i32 [ 1624650671, %then.1 ], [ %tmp.25, %then.2 ], [ 3379, %then.5 ], [ 52410, %else.7 ], [ -1526438411, %endif.2 ], [ %tmp.12, %else.0 ] ; <i32> [#uses=1] + ret i32 %result.0 +} |