| ; 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, 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, 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 |
| } |
| |
| 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, 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, 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() |