1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s 3 4 ; This is a case where we would incorrectly conclude that LBB0_1 could only 5 ; be reached via fall through and would therefore omit the label. 6 7 @g = global i32 0 8 9 define void @xyz() { 10 ; CHECK-LABEL: xyz: 11 ; CHECK: # %bb.0: # %entry 12 ; CHECK-NEXT: movl $g, %eax 13 ; CHECK-NEXT: movq %rax, %xmm1 14 ; CHECK-NEXT: xorps %xmm0, %xmm0 15 ; CHECK-NEXT: ucomisd %xmm0, %xmm1 16 ; CHECK-NEXT: jne .LBB0_1 17 ; CHECK-NEXT: jnp .LBB0_3 18 ; CHECK-NEXT: .LBB0_1: # %foo.preheader 19 ; CHECK-NEXT: movl $g, %eax 20 ; CHECK-NEXT: movq %rax, %xmm1 21 ; CHECK-NEXT: .p2align 4, 0x90 22 ; CHECK-NEXT: .LBB0_2: # %foo 23 ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 24 ; CHECK-NEXT: ucomisd %xmm0, %xmm1 25 ; CHECK-NEXT: ja .LBB0_2 26 ; CHECK-NEXT: .LBB0_3: # %bar 27 ; CHECK-NEXT: retq 28 entry: 29 br i1 fcmp oeq (double bitcast (i64 ptrtoint (i32* @g to i64) to double), double 0.000000e+00), label %bar, label %foo 30 31 foo: 32 br i1 fcmp ogt (double bitcast (i64 ptrtoint (i32* @g to i64) to double), double 0.000000e+00), label %foo, label %bar 33 34 bar: 35 ret void 36 } 37
