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      1 ; RUN: llc -mtriple=i686-linux-gnu %s -o - | FileCheck %s
      2 
      3 
      4 define i32 @branch_eq(i64 %a, i64 %b) {
      5 entry:
      6   %cmp = icmp eq i64 %a, %b
      7 	br i1 %cmp, label %bb1, label %bb2
      8 bb1:
      9   ret i32 1
     10 bb2:
     11   ret i32 2
     12 
     13 ; CHECK-LABEL: branch_eq:
     14 ; CHECK: movl 4(%esp), [[LHSLo:%[a-z]+]]
     15 ; CHECK: movl 8(%esp), [[LHSHi:%[a-z]+]]
     16 ; CHECK: xorl 16(%esp), [[LHSHi]]
     17 ; CHECK: xorl 12(%esp), [[LHSLo]]
     18 ; CHECK: orl [[LHSHi]], [[LHSLo]]
     19 ; CHECK: jne [[FALSE:.LBB[0-9_]+]]
     20 ; CHECK: movl $1, %eax
     21 ; CHECK: retl
     22 ; CHECK: [[FALSE]]:
     23 ; CHECK: movl $2, %eax
     24 ; CHECK: retl
     25 }
     26 
     27 define i32 @branch_slt(i64 %a, i64 %b) {
     28 entry:
     29   %cmp = icmp slt i64 %a, %b
     30 	br i1 %cmp, label %bb1, label %bb2
     31 bb1:
     32   ret i32 1
     33 bb2:
     34   ret i32 2
     35 
     36 ; CHECK-LABEL: branch_slt:
     37 ; CHECK: movl 4(%esp), [[LHSLo:%[a-z]+]]
     38 ; CHECK: movl 8(%esp), [[LHSHi:%[a-z]+]]
     39 ; CHECK: cmpl 12(%esp), [[LHSLo]]
     40 ; CHECK: sbbl 16(%esp), [[LHSHi]]
     41 ; CHECK: jge [[FALSE:.LBB[0-9_]+]]
     42 ; CHECK: movl $1, %eax
     43 ; CHECK: retl
     44 ; CHECK: [[FALSE]]:
     45 ; CHECK: movl $2, %eax
     46 ; CHECK: retl
     47 }
     48 
     49 define i32 @branch_ule(i64 %a, i64 %b) {
     50 entry:
     51   %cmp = icmp ule i64 %a, %b
     52 	br i1 %cmp, label %bb1, label %bb2
     53 bb1:
     54   ret i32 1
     55 bb2:
     56   ret i32 2
     57 
     58 ; CHECK-LABEL: branch_ule:
     59 ; CHECK: movl 12(%esp), [[RHSLo:%[a-z]+]]
     60 ; CHECK: movl 16(%esp), [[RHSHi:%[a-z]+]]
     61 ; CHECK: cmpl 4(%esp), [[RHSLo]]
     62 ; CHECK: sbbl 8(%esp), [[RHSHi]]
     63 ; CHECK: jb [[FALSE:.LBB[0-9_]+]]
     64 ; CHECK: movl $1, %eax
     65 ; CHECK: retl
     66 ; CHECK: [[FALSE]]:
     67 ; CHECK: movl $2, %eax
     68 ; CHECK: retl
     69 }
     70 
     71 define i32 @set_gt(i64 %a, i64 %b) {
     72 entry:
     73   %cmp = icmp sgt i64 %a, %b
     74   %res = select i1 %cmp, i32 1, i32 0
     75   ret i32 %res
     76 
     77 ; CHECK-LABEL: set_gt:
     78 ; CHECK: movl 12(%esp), [[RHSLo:%[a-z]+]]
     79 ; CHECK: movl 16(%esp), [[RHSHi:%[a-z]+]]
     80 ; CHECK: cmpl 4(%esp), [[RHSLo]]
     81 ; CHECK: sbbl 8(%esp), [[RHSHi]]
     82 ; CHECK: setl %al
     83 ; CHECK: retl
     84 }
     85 
     86 define i32 @test_wide(i128 %a, i128 %b) {
     87 entry:
     88   %cmp = icmp slt i128 %a, %b
     89 	br i1 %cmp, label %bb1, label %bb2
     90 bb1:
     91   ret i32 1
     92 bb2:
     93   ret i32 2
     94 
     95 ; CHECK-LABEL: test_wide:
     96 ; CHECK: cmpl 24(%esp)
     97 ; CHECK: sbbl 28(%esp)
     98 ; CHECK: sbbl 32(%esp)
     99 ; CHECK: sbbl 36(%esp)
    100 ; CHECK: jge [[FALSE:.LBB[0-9_]+]]
    101 ; CHECK: movl $1, %eax
    102 ; CHECK: retl
    103 ; CHECK: [[FALSE]]:
    104 ; CHECK: movl $2, %eax
    105 ; CHECK: retl
    106 }
    107 
    108 define i32 @test_carry_false(i64 %a, i64 %b) {
    109 entry:
    110   %x = and i64 %a, -4294967296 ;0xffffffff00000000
    111   %y = and i64 %b, -4294967296
    112   %cmp = icmp slt i64 %x, %y
    113 	br i1 %cmp, label %bb1, label %bb2
    114 bb1:
    115   ret i32 1
    116 bb2:
    117   ret i32 2
    118 
    119 ; The comparison of the low bits will be folded to a CARRY_FALSE node. Make
    120 ; sure the code can handle that.
    121 ; CHECK-LABEL: carry_false:
    122 ; CHECK: movl 8(%esp), [[LHSHi:%[a-z]+]]
    123 ; CHECK: cmpl 16(%esp), [[LHSHi]]
    124 ; CHECK: jge [[FALSE:.LBB[0-9_]+]]
    125 ; CHECK: movl $1, %eax
    126 ; CHECK: retl
    127 ; CHECK: [[FALSE]]:
    128 ; CHECK: movl $2, %eax
    129 ; CHECK: retl
    130 }
    131