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Diffstat (limited to 'test/CodeGen/X86/2009-08-06-branchfolder-crash.ll')
| -rw-r--r-- | test/CodeGen/X86/2009-08-06-branchfolder-crash.ll | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2009-08-06-branchfolder-crash.ll b/test/CodeGen/X86/2009-08-06-branchfolder-crash.ll new file mode 100644 index 0000000..b329c91 --- /dev/null +++ b/test/CodeGen/X86/2009-08-06-branchfolder-crash.ll @@ -0,0 +1,142 @@ +; RUN: llc < %s -O3 +; PR4626 +; ModuleID = '<stdin>' +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32" +target triple = "i386-pc-linux-gnu" +@g_3 = common global i8 0, align 1 ; <i8*> [#uses=2] + +define signext i8 @safe_mul_func_int16_t_s_s(i32 %_si1, i8 signext %_si2) nounwind readnone { +entry: + %tobool = icmp eq i32 %_si1, 0 ; <i1> [#uses=1] + %cmp = icmp sgt i8 %_si2, 0 ; <i1> [#uses=2] + %or.cond = or i1 %cmp, %tobool ; <i1> [#uses=1] + br i1 %or.cond, label %lor.rhs, label %land.lhs.true3 + +land.lhs.true3: ; preds = %entry + %conv5 = sext i8 %_si2 to i32 ; <i32> [#uses=1] + %cmp7 = icmp slt i32 %conv5, %_si1 ; <i1> [#uses=1] + br i1 %cmp7, label %cond.end, label %lor.rhs + +lor.rhs: ; preds = %land.lhs.true3, %entry + %cmp10.not = icmp slt i32 %_si1, 1 ; <i1> [#uses=1] + %or.cond23 = and i1 %cmp, %cmp10.not ; <i1> [#uses=1] + br i1 %or.cond23, label %lor.end, label %cond.false + +lor.end: ; preds = %lor.rhs + %tobool19 = icmp ne i8 %_si2, 0 ; <i1> [#uses=2] + %lor.ext = zext i1 %tobool19 to i32 ; <i32> [#uses=1] + br i1 %tobool19, label %cond.end, label %cond.false + +cond.false: ; preds = %lor.end, %lor.rhs + %conv21 = sext i8 %_si2 to i32 ; <i32> [#uses=1] + br label %cond.end + +cond.end: ; preds = %cond.false, %lor.end, %land.lhs.true3 + %cond = phi i32 [ %conv21, %cond.false ], [ 1, %land.lhs.true3 ], [ %lor.ext, %lor.end ] ; <i32> [#uses=1] + %conv22 = trunc i32 %cond to i8 ; <i8> [#uses=1] + ret i8 %conv22 +} + +define i32 @func_34(i8 signext %p_35) nounwind readonly { +entry: + %tobool = icmp eq i8 %p_35, 0 ; <i1> [#uses=1] + br i1 %tobool, label %lor.lhs.false, label %if.then + +lor.lhs.false: ; preds = %entry + %tmp1 = load i8* @g_3 ; <i8> [#uses=1] + %tobool3 = icmp eq i8 %tmp1, 0 ; <i1> [#uses=1] + br i1 %tobool3, label %return, label %if.then + +if.then: ; preds = %lor.lhs.false, %entry + %tmp4 = load i8* @g_3 ; <i8> [#uses=1] + %conv5 = sext i8 %tmp4 to i32 ; <i32> [#uses=1] + ret i32 %conv5 + +return: ; preds = %lor.lhs.false + ret i32 0 +} + +define void @foo(i32 %p_5) noreturn nounwind { +entry: + %cmp = icmp sgt i32 %p_5, 0 ; <i1> [#uses=2] + %call = tail call i32 @safe() nounwind ; <i32> [#uses=1] + %conv1 = trunc i32 %call to i8 ; <i8> [#uses=3] + %tobool.i = xor i1 %cmp, true ; <i1> [#uses=3] + %cmp.i = icmp sgt i8 %conv1, 0 ; <i1> [#uses=3] + %or.cond.i = or i1 %cmp.i, %tobool.i ; <i1> [#uses=1] + br i1 %or.cond.i, label %lor.rhs.i, label %land.lhs.true3.i + +land.lhs.true3.i: ; preds = %entry + %xor = zext i1 %cmp to i32 ; <i32> [#uses=1] + %conv5.i = sext i8 %conv1 to i32 ; <i32> [#uses=1] + %cmp7.i = icmp slt i32 %conv5.i, %xor ; <i1> [#uses=1] + %cmp7.i.not = xor i1 %cmp7.i, true ; <i1> [#uses=1] + %or.cond23.i = and i1 %cmp.i, %tobool.i ; <i1> [#uses=1] + %or.cond = and i1 %cmp7.i.not, %or.cond23.i ; <i1> [#uses=1] + br i1 %or.cond, label %lor.end.i, label %for.inc + +lor.rhs.i: ; preds = %entry + %or.cond23.i.old = and i1 %cmp.i, %tobool.i ; <i1> [#uses=1] + br i1 %or.cond23.i.old, label %lor.end.i, label %for.inc + +lor.end.i: ; preds = %lor.rhs.i, %land.lhs.true3.i + %tobool19.i = icmp eq i8 %conv1, 0 ; <i1> [#uses=0] + br label %for.inc + +for.inc: ; preds = %for.inc, %lor.end.i, %lor.rhs.i, %land.lhs.true3.i + br label %for.inc +} + +declare i32 @safe() + +define i32 @func_35(i8 signext %p_35) nounwind readonly { +entry: + %tobool = icmp eq i8 %p_35, 0 ; <i1> [#uses=1] + br i1 %tobool, label %lor.lhs.false, label %if.then + +lor.lhs.false: ; preds = %entry + %tmp1 = load i8* @g_3 ; <i8> [#uses=1] + %tobool3 = icmp eq i8 %tmp1, 0 ; <i1> [#uses=1] + br i1 %tobool3, label %return, label %if.then + +if.then: ; preds = %lor.lhs.false, %entry + %tmp4 = load i8* @g_3 ; <i8> [#uses=1] + %conv5 = sext i8 %tmp4 to i32 ; <i32> [#uses=1] + ret i32 %conv5 + +return: ; preds = %lor.lhs.false + ret i32 0 +} + +define void @bar(i32 %p_5) noreturn nounwind { +entry: + %cmp = icmp sgt i32 %p_5, 0 ; <i1> [#uses=2] + %call = tail call i32 @safe() nounwind ; <i32> [#uses=1] + %conv1 = trunc i32 %call to i8 ; <i8> [#uses=3] + %tobool.i = xor i1 %cmp, true ; <i1> [#uses=3] + %cmp.i = icmp sgt i8 %conv1, 0 ; <i1> [#uses=3] + %or.cond.i = or i1 %cmp.i, %tobool.i ; <i1> [#uses=1] + br i1 %or.cond.i, label %lor.rhs.i, label %land.lhs.true3.i + +land.lhs.true3.i: ; preds = %entry + %xor = zext i1 %cmp to i32 ; <i32> [#uses=1] + %conv5.i = sext i8 %conv1 to i32 ; <i32> [#uses=1] + %cmp7.i = icmp slt i32 %conv5.i, %xor ; <i1> [#uses=1] + %cmp7.i.not = xor i1 %cmp7.i, true ; <i1> [#uses=1] + %or.cond23.i = and i1 %cmp.i, %tobool.i ; <i1> [#uses=1] + %or.cond = and i1 %cmp7.i.not, %or.cond23.i ; <i1> [#uses=1] + br i1 %or.cond, label %lor.end.i, label %for.inc + +lor.rhs.i: ; preds = %entry + %or.cond23.i.old = and i1 %cmp.i, %tobool.i ; <i1> [#uses=1] + br i1 %or.cond23.i.old, label %lor.end.i, label %for.inc + +lor.end.i: ; preds = %lor.rhs.i, %land.lhs.true3.i + %tobool19.i = icmp eq i8 %conv1, 0 ; <i1> [#uses=0] + br label %for.inc + +for.inc: ; preds = %for.inc, %lor.end.i, %lor.rhs.i, %land.lhs.true3.i + br label %for.inc +} + +declare i32 @safe() |
