| ; NOTE: This test case is borrowed from undef-ops.ll |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s |
| |
| define i32 @add_poison_rhs(i32 %x) { |
| ; CHECK-LABEL: add_poison_rhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = add i32 %x, poison |
| ret i32 %r |
| } |
| |
| define <4 x i32> @add_poison_rhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: add_poison_rhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = add <4 x i32> %x, poison |
| ret <4 x i32> %r |
| } |
| |
| define i32 @add_poison_lhs(i32 %x) { |
| ; CHECK-LABEL: add_poison_lhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = add i32 poison, %x |
| ret i32 %r |
| } |
| |
| define <4 x i32> @add_poison_lhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: add_poison_lhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = add <4 x i32> poison, %x |
| ret <4 x i32> %r |
| } |
| |
| define i32 @sub_poison_rhs(i32 %x) { |
| ; CHECK-LABEL: sub_poison_rhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = sub i32 %x, poison |
| ret i32 %r |
| } |
| |
| define <4 x i32> @sub_poison_rhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: sub_poison_rhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = sub <4 x i32> %x, poison |
| ret <4 x i32> %r |
| } |
| |
| define i32 @sub_poison_lhs(i32 %x) { |
| ; CHECK-LABEL: sub_poison_lhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = sub i32 poison, %x |
| ret i32 %r |
| } |
| |
| define <4 x i32> @sub_poison_lhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: sub_poison_lhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = sub <4 x i32> poison, %x |
| ret <4 x i32> %r |
| } |
| |
| define i32 @mul_poison_rhs(i32 %x) { |
| ; CHECK-LABEL: mul_poison_rhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorl %eax, %eax |
| ; CHECK-NEXT: retq |
| %r = mul i32 %x, poison |
| ret i32 %r |
| } |
| |
| define <4 x i32> @mul_poison_rhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: mul_poison_rhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorps %xmm0, %xmm0 |
| ; CHECK-NEXT: retq |
| %r = mul <4 x i32> %x, poison |
| ret <4 x i32> %r |
| } |
| |
| define i32 @mul_poison_lhs(i32 %x) { |
| ; CHECK-LABEL: mul_poison_lhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorl %eax, %eax |
| ; CHECK-NEXT: retq |
| %r = mul i32 poison, %x |
| ret i32 %r |
| } |
| |
| define <4 x i32> @mul_poison_lhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: mul_poison_lhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorps %xmm0, %xmm0 |
| ; CHECK-NEXT: retq |
| %r = mul <4 x i32> poison, %x |
| ret <4 x i32> %r |
| } |
| |
| define i32 @sdiv_poison_rhs(i32 %x) { |
| ; CHECK-LABEL: sdiv_poison_rhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = sdiv i32 %x, poison |
| ret i32 %r |
| } |
| |
| define <4 x i32> @sdiv_poison_rhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: sdiv_poison_rhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = sdiv <4 x i32> %x, poison |
| ret <4 x i32> %r |
| } |
| |
| define i32 @sdiv_poison_lhs(i32 %x) { |
| ; CHECK-LABEL: sdiv_poison_lhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorl %eax, %eax |
| ; CHECK-NEXT: retq |
| %r = sdiv i32 poison, %x |
| ret i32 %r |
| } |
| |
| define <4 x i32> @sdiv_poison_lhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: sdiv_poison_lhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorps %xmm0, %xmm0 |
| ; CHECK-NEXT: retq |
| %r = sdiv <4 x i32> poison, %x |
| ret <4 x i32> %r |
| } |
| |
| define i32 @udiv_poison_rhs(i32 %x) { |
| ; CHECK-LABEL: udiv_poison_rhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = udiv i32 %x, poison |
| ret i32 %r |
| } |
| |
| define <4 x i32> @udiv_poison_rhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: udiv_poison_rhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = udiv <4 x i32> %x, poison |
| ret <4 x i32> %r |
| } |
| |
| define i32 @udiv_poison_lhs(i32 %x) { |
| ; CHECK-LABEL: udiv_poison_lhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorl %eax, %eax |
| ; CHECK-NEXT: retq |
| %r = udiv i32 poison, %x |
| ret i32 %r |
| } |
| |
| define <4 x i32> @udiv_poison_lhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: udiv_poison_lhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorps %xmm0, %xmm0 |
| ; CHECK-NEXT: retq |
| %r = udiv <4 x i32> poison, %x |
| ret <4 x i32> %r |
| } |
| |
| define i32 @srem_poison_rhs(i32 %x) { |
| ; CHECK-LABEL: srem_poison_rhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = srem i32 %x, poison |
| ret i32 %r |
| } |
| |
| define <4 x i32> @srem_poison_rhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: srem_poison_rhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = srem <4 x i32> %x, poison |
| ret <4 x i32> %r |
| } |
| |
| define i32 @srem_poison_lhs(i32 %x) { |
| ; CHECK-LABEL: srem_poison_lhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorl %eax, %eax |
| ; CHECK-NEXT: retq |
| %r = srem i32 poison, %x |
| ret i32 %r |
| } |
| |
| define <4 x i32> @srem_poison_lhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: srem_poison_lhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorps %xmm0, %xmm0 |
| ; CHECK-NEXT: retq |
| %r = srem <4 x i32> poison, %x |
| ret <4 x i32> %r |
| } |
| |
| define i32 @urem_poison_rhs(i32 %x) { |
| ; CHECK-LABEL: urem_poison_rhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = urem i32 %x, poison |
| ret i32 %r |
| } |
| |
| define <4 x i32> @urem_poison_rhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: urem_poison_rhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = urem <4 x i32> %x, poison |
| ret <4 x i32> %r |
| } |
| |
| define i32 @urem_poison_lhs(i32 %x) { |
| ; CHECK-LABEL: urem_poison_lhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorl %eax, %eax |
| ; CHECK-NEXT: retq |
| %r = urem i32 poison, %x |
| ret i32 %r |
| } |
| |
| define <4 x i32> @urem_poison_lhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: urem_poison_lhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorps %xmm0, %xmm0 |
| ; CHECK-NEXT: retq |
| %r = urem <4 x i32> poison, %x |
| ret <4 x i32> %r |
| } |
| |
| define i32 @ashr_poison_rhs(i32 %x) { |
| ; CHECK-LABEL: ashr_poison_rhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = ashr i32 %x, poison |
| ret i32 %r |
| } |
| |
| define <4 x i32> @ashr_poison_rhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: ashr_poison_rhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = ashr <4 x i32> %x, poison |
| ret <4 x i32> %r |
| } |
| |
| define i32 @ashr_poison_lhs(i32 %x) { |
| ; CHECK-LABEL: ashr_poison_lhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorl %eax, %eax |
| ; CHECK-NEXT: retq |
| %r = ashr i32 poison, %x |
| ret i32 %r |
| } |
| |
| define <4 x i32> @ashr_poison_lhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: ashr_poison_lhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorps %xmm0, %xmm0 |
| ; CHECK-NEXT: retq |
| %r = ashr <4 x i32> poison, %x |
| ret <4 x i32> %r |
| } |
| |
| define i32 @lshr_poison_rhs(i32 %x) { |
| ; CHECK-LABEL: lshr_poison_rhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = lshr i32 %x, poison |
| ret i32 %r |
| } |
| |
| define <4 x i32> @lshr_poison_rhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: lshr_poison_rhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = lshr <4 x i32> %x, poison |
| ret <4 x i32> %r |
| } |
| |
| define i32 @lshr_poison_lhs(i32 %x) { |
| ; CHECK-LABEL: lshr_poison_lhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorl %eax, %eax |
| ; CHECK-NEXT: retq |
| %r = lshr i32 poison, %x |
| ret i32 %r |
| } |
| |
| define <4 x i32> @lshr_poison_lhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: lshr_poison_lhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorps %xmm0, %xmm0 |
| ; CHECK-NEXT: retq |
| %r = lshr <4 x i32> poison, %x |
| ret <4 x i32> %r |
| } |
| |
| define i32 @shl_poison_rhs(i32 %x) { |
| ; CHECK-LABEL: shl_poison_rhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = shl i32 %x, poison |
| ret i32 %r |
| } |
| |
| define <4 x i32> @shl_poison_rhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: shl_poison_rhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = shl <4 x i32> %x, poison |
| ret <4 x i32> %r |
| } |
| |
| define i32 @shl_poison_lhs(i32 %x) { |
| ; CHECK-LABEL: shl_poison_lhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorl %eax, %eax |
| ; CHECK-NEXT: retq |
| %r = shl i32 poison, %x |
| ret i32 %r |
| } |
| |
| define <4 x i32> @shl_poison_lhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: shl_poison_lhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorps %xmm0, %xmm0 |
| ; CHECK-NEXT: retq |
| %r = shl <4 x i32> poison, %x |
| ret <4 x i32> %r |
| } |
| |
| define i32 @and_poison_rhs(i32 %x) { |
| ; CHECK-LABEL: and_poison_rhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorl %eax, %eax |
| ; CHECK-NEXT: retq |
| %r = and i32 %x, poison |
| ret i32 %r |
| } |
| |
| define <4 x i32> @and_poison_rhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: and_poison_rhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorps %xmm0, %xmm0 |
| ; CHECK-NEXT: retq |
| %r = and <4 x i32> %x, poison |
| ret <4 x i32> %r |
| } |
| |
| define i32 @and_poison_lhs(i32 %x) { |
| ; CHECK-LABEL: and_poison_lhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorl %eax, %eax |
| ; CHECK-NEXT: retq |
| %r = and i32 poison, %x |
| ret i32 %r |
| } |
| |
| define <4 x i32> @and_poison_lhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: and_poison_lhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorps %xmm0, %xmm0 |
| ; CHECK-NEXT: retq |
| %r = and <4 x i32> poison, %x |
| ret <4 x i32> %r |
| } |
| |
| define i32 @or_poison_rhs(i32 %x) { |
| ; CHECK-LABEL: or_poison_rhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movl $-1, %eax |
| ; CHECK-NEXT: retq |
| %r = or i32 %x, poison |
| ret i32 %r |
| } |
| |
| define <4 x i32> @or_poison_rhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: or_poison_rhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: pcmpeqd %xmm0, %xmm0 |
| ; CHECK-NEXT: retq |
| %r = or <4 x i32> %x, poison |
| ret <4 x i32> %r |
| } |
| |
| define i32 @or_poison_lhs(i32 %x) { |
| ; CHECK-LABEL: or_poison_lhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movl $-1, %eax |
| ; CHECK-NEXT: retq |
| %r = or i32 poison, %x |
| ret i32 %r |
| } |
| |
| define <4 x i32> @or_poison_lhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: or_poison_lhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: pcmpeqd %xmm0, %xmm0 |
| ; CHECK-NEXT: retq |
| %r = or <4 x i32> poison, %x |
| ret <4 x i32> %r |
| } |
| |
| define i32 @xor_poison_rhs(i32 %x) { |
| ; CHECK-LABEL: xor_poison_rhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = xor i32 %x, poison |
| ret i32 %r |
| } |
| |
| define <4 x i32> @xor_poison_rhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: xor_poison_rhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = xor <4 x i32> %x, poison |
| ret <4 x i32> %r |
| } |
| |
| define i32 @xor_poison_lhs(i32 %x) { |
| ; CHECK-LABEL: xor_poison_lhs: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = xor i32 poison, %x |
| ret i32 %r |
| } |
| |
| define <4 x i32> @xor_poison_lhs_vec(<4 x i32> %x) { |
| ; CHECK-LABEL: xor_poison_lhs_vec: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %r = xor <4 x i32> poison, %x |
| ret <4 x i32> %r |
| } |
| |
| ; This would crash because the shift amount is an i8 operand, |
| ; but the result of the shift is i32. We can't just propagate |
| ; the existing poison as the result. |
| |
| define i1 @poison_operand_size_not_same_as_result() { |
| ; CHECK-LABEL: poison_operand_size_not_same_as_result: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: retq |
| %sh = shl i32 7, poison |
| %cmp = icmp eq i32 0, %sh |
| ret i1 %cmp |
| } |
| |