Home | History | Annotate | Download | only in X86 
      1 ; RUN: opt -S -consthoist < %s | FileCheck %s
      2 
      3 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
      4 target triple = "x86_64-apple-macosx10.9.0"
      5 
      6 ; PR18626
      7 define i8* @test1(i1 %cmp, i64* %tmp) {
      8 entry:
      9   call void @foo(i8* inttoptr (i64 68719476735 to i8*))
     10   br i1 %cmp, label %if.end, label %return
     11 
     12 if.end:                                           ; preds = %bb1
     13   call void @foo(i8* inttoptr (i64 68719476736 to i8*))
     14   br label %return
     15 
     16 return:
     17   %retval.0 = phi i8* [ null, %entry ], [ inttoptr (i64 68719476736 to i8*), %if.end ]
     18   store i64 1172321806, i64* %tmp
     19   ret i8* %retval.0
     20 
     21 ; CHECK-LABEL: @test1
     22 ; CHECK: if.end:
     23 ; CHECK: %2 = inttoptr i64 %const to i8*
     24 ; CHECK-NEXT: br
     25 ; CHECK: return:
     26 ; CHECK-NEXT: %retval.0 = phi i8* [ null, %entry ], [ %2, %if.end ]
     27 }
     28 
     29 define void @test2(i1 %cmp, i64** %tmp) {
     30 entry:
     31   call void @foo(i8* inttoptr (i64 68719476736 to i8*))
     32   br i1 %cmp, label %if.end, label %return
     33 
     34 if.end:                                           ; preds = %bb1
     35   call void @foo(i8* inttoptr (i64 68719476736 to i8*))
     36   br label %return
     37 
     38 return:
     39   store i64* inttoptr (i64 68719476735 to i64*), i64** %tmp
     40   ret void
     41 
     42 ; CHECK-LABEL: @test2
     43 ; CHECK: return:
     44 ; CHECK-NEXT: %const_mat = add i64 %const, -1
     45 ; CHECK-NEXT: inttoptr i64 %const_mat to i64*
     46 }
     47 
     48 declare void @foo(i8*)
     49 
     50 ; PR18768
     51 define i32 @test3(i1 %c) {
     52 entry:
     53   br i1 %c, label %if.then, label %if.end3
     54 
     55 if.then:                                          ; preds = %entry
     56   br label %if.end3
     57 
     58 if.end3:                                          ; preds = %if.then, %entry
     59   %d.0 = phi i32* [ inttoptr (i64 985162435264511 to i32*), %entry ], [ null, %if.then ]
     60   %cmp4 = icmp eq i32* %d.0, inttoptr (i64 985162435264511 to i32*)
     61   %cmp6 = icmp eq i32* %d.0, inttoptr (i64 985162418487296 to i32*)
     62   %or = or i1 %cmp4, %cmp6
     63   br i1 %or, label %if.then8, label %if.end9
     64 
     65 if.then8:                                         ; preds = %if.end3
     66   ret i32 1
     67 
     68 if.end9:                                          ; preds = %if.then8, %if.end3
     69   ret i32 undef
     70 }
     71 
     72 ; <rdar://problem/16394449>
     73 define i64 @switch_test1(i64 %a) {
     74 ; CHECK-LABEL: @switch_test1
     75 ; CHECK: %0 = phi i64 [ %const, %case2 ], [ %const_mat, %Entry ], [ %const_mat, %Entry ]
     76 Entry:
     77   %sel = add i64 %a, 4519019440
     78   switch i64 %sel, label %fail [
     79     i64 462, label %continuation
     80     i64 449, label %case2
     81     i64 443, label %continuation
     82   ]
     83 
     84 case2:
     85   br label %continuation
     86 
     87 continuation:
     88   %0 = phi i64 [ 4519019440, %case2 ], [ 4519019460, %Entry ], [ 4519019460, %Entry ]
     89   ret i64 0;
     90 
     91 fail:
     92   ret i64 -1;
     93 }
     94 
     95 define i64 @switch_test2(i64 %a) {
     96 ; CHECK-LABEL: @switch_test2
     97 ; CHECK: %2 = phi i64* [ %1, %case2 ], [ %0, %Entry ], [ %0, %Entry ]
     98 Entry:
     99   %sel = add i64 %a, 4519019440
    100   switch i64 %sel, label %fail [
    101     i64 462, label %continuation
    102     i64 449, label %case2
    103     i64 443, label %continuation
    104   ]
    105 
    106 case2:
    107   br label %continuation
    108 
    109 continuation:
    110   %0 = phi i64* [ inttoptr(i64 4519019440 to i64*), %case2 ], [ inttoptr(i64 4519019460 to i64*), %Entry ], [ inttoptr(i64 4519019460 to i64*), %Entry ]
    111   ret i64 0;
    112 
    113 fail:
    114   ret i64 -1;
    115 }
    116 
    117