1 files changed, 98 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/fp128-select.ll b/llvm/test/CodeGen/X86/fp128-select.ll
index 134f1f38a6e..65e930e26d3 100644
--- a/llvm/test/CodeGen/X86/fp128-select.ll
+++ b/llvm/test/CodeGen/X86/fp128-select.ll
@@ -37,3 +37,101 @@ define void @test_select(fp128* %p, fp128* %q, i1 zeroext %c) {
   store fp128 %r, fp128* %q
   ret void
 }
+
+; The uitofp will become a select_cc. This used to crash during type
+; legalization because we didn't expect the operands to need to be softened.
+define fp128 @test_select_cc(fp128, fp128) {
+; SSE-LABEL: test_select_cc:
+; SSE:       # %bb.0: # %BB0
+; SSE-NEXT:    pushq %rbx
+; SSE-NEXT:    .cfi_def_cfa_offset 16
+; SSE-NEXT:    subq $32, %rsp
+; SSE-NEXT:    .cfi_def_cfa_offset 48
+; SSE-NEXT:    .cfi_offset %rbx, -16
+; SSE-NEXT:    movaps %xmm1, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; SSE-NEXT:    movaps %xmm0, (%rsp) # 16-byte Spill
+; SSE-NEXT:    callq __netf2
+; SSE-NEXT:    movl %eax, %ebx
+; SSE-NEXT:    movaps (%rsp), %xmm0 # 16-byte Reload
+; SSE-NEXT:    movaps {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 16-byte Reload
+; SSE-NEXT:    callq __eqtf2
+; SSE-NEXT:    testl %eax, %eax
+; SSE-NEXT:    je .LBB1_1
+; SSE-NEXT:  # %bb.2: # %BB0
+; SSE-NEXT:    xorps %xmm1, %xmm1
+; SSE-NEXT:    jmp .LBB1_3
+; SSE-NEXT:  .LBB1_1:
+; SSE-NEXT:    movaps {{.*}}(%rip), %xmm1
+; SSE-NEXT:  .LBB1_3: # %BB0
+; SSE-NEXT:    testl %ebx, %ebx
+; SSE-NEXT:    movaps (%rsp), %xmm0 # 16-byte Reload
+; SSE-NEXT:    jne .LBB1_5
+; SSE-NEXT:  # %bb.4: # %BB1
+; SSE-NEXT:    movaps %xmm1, %xmm0
+; SSE-NEXT:  .LBB1_5: # %BB2
+; SSE-NEXT:    addq $32, %rsp
+; SSE-NEXT:    .cfi_def_cfa_offset 16
+; SSE-NEXT:    popq %rbx
+; SSE-NEXT:    .cfi_def_cfa_offset 8
+; SSE-NEXT:    retq
+;
+; NOSSE-LABEL: test_select_cc:
+; NOSSE:       # %bb.0: # %BB0
+; NOSSE-NEXT:    pushq %rbp
+; NOSSE-NEXT:    .cfi_def_cfa_offset 16
+; NOSSE-NEXT:    pushq %r15
+; NOSSE-NEXT:    .cfi_def_cfa_offset 24
+; NOSSE-NEXT:    pushq %r14
+; NOSSE-NEXT:    .cfi_def_cfa_offset 32
+; NOSSE-NEXT:    pushq %r12
+; NOSSE-NEXT:    .cfi_def_cfa_offset 40
+; NOSSE-NEXT:    pushq %rbx
+; NOSSE-NEXT:    .cfi_def_cfa_offset 48
+; NOSSE-NEXT:    .cfi_offset %rbx, -48
+; NOSSE-NEXT:    .cfi_offset %r12, -40
+; NOSSE-NEXT:    .cfi_offset %r14, -32
+; NOSSE-NEXT:    .cfi_offset %r15, -24
+; NOSSE-NEXT:    .cfi_offset %rbp, -16
+; NOSSE-NEXT:    movq %rcx, %r12
+; NOSSE-NEXT:    movq %rdx, %rbx
+; NOSSE-NEXT:    movq %rsi, %r14
+; NOSSE-NEXT:    movq %rdi, %r15
+; NOSSE-NEXT:    callq __netf2
+; NOSSE-NEXT:    movl %eax, %ebp
+; NOSSE-NEXT:    movq %r15, %rdi
+; NOSSE-NEXT:    movq %r14, %rsi
+; NOSSE-NEXT:    movq %rbx, %rdx
+; NOSSE-NEXT:    movq %r12, %rcx
+; NOSSE-NEXT:    callq __eqtf2
+; NOSSE-NEXT:    movl %eax, %ecx
+; NOSSE-NEXT:    xorl %eax, %eax
+; NOSSE-NEXT:    testl %ecx, %ecx
+; NOSSE-NEXT:    movabsq $4611404543450677248, %rdx # imm = 0x3FFF000000000000
+; NOSSE-NEXT:    cmovneq %rax, %rdx
+; NOSSE-NEXT:    testl %ebp, %ebp
+; NOSSE-NEXT:    je .LBB1_2
+; NOSSE-NEXT:  # %bb.1:
+; NOSSE-NEXT:    movq %r15, %rax
+; NOSSE-NEXT:    movq %r14, %rdx
+; NOSSE-NEXT:  .LBB1_2: # %BB2
+; NOSSE-NEXT:    popq %rbx
+; NOSSE-NEXT:    .cfi_def_cfa_offset 40
+; NOSSE-NEXT:    popq %r12
+; NOSSE-NEXT:    .cfi_def_cfa_offset 32
+; NOSSE-NEXT:    popq %r14
+; NOSSE-NEXT:    .cfi_def_cfa_offset 24
+; NOSSE-NEXT:    popq %r15
+; NOSSE-NEXT:    .cfi_def_cfa_offset 16
+; NOSSE-NEXT:    popq %rbp
+; NOSSE-NEXT:    .cfi_def_cfa_offset 8
+; NOSSE-NEXT:    retq
+BB0:
+  %a = fcmp oeq fp128 %0, %1
+  %b = uitofp i1 %a to fp128
+  br i1 %a, label %BB1, label %BB2
+BB1:
+  br label %BB2
+BB2:
+  %c = phi fp128 [ %0, %BB0 ], [ %b, %BB1 ]
+  ret fp128 %c
+}