diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/select.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/select.ll | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/select.ll b/llvm/test/CodeGen/X86/select.ll index 7e881de0c80..4fc88d56a67 100644 --- a/llvm/test/CodeGen/X86/select.ll +++ b/llvm/test/CodeGen/X86/select.ll @@ -1102,6 +1102,35 @@ entry: ret i16 %1 } +; Equivalent to above, but with icmp ne (and %cond, 1), 1 instead of +; icmp eq (and %cond, 1), 0 +define i16 @select_xor_1b(i16 %A, i8 %cond) { +; CHECK-LABEL: select_xor_1b: +; CHECK: ## %bb.0: ## %entry +; CHECK-NEXT: movl %edi, %eax +; CHECK-NEXT: xorl $43, %eax +; CHECK-NEXT: testb $1, %sil +; CHECK-NEXT: cmovel %edi, %eax +; CHECK-NEXT: ## kill: def $ax killed $ax killed $eax +; CHECK-NEXT: retq +; +; MCU-LABEL: select_xor_1b: +; MCU: # %bb.0: # %entry +; MCU-NEXT: testb $1, %dl +; MCU-NEXT: je .LBB26_2 +; MCU-NEXT: # %bb.1: +; MCU-NEXT: xorl $43, %eax +; MCU-NEXT: .LBB26_2: # %entry +; MCU-NEXT: # kill: def $ax killed $ax killed $eax +; MCU-NEXT: retl +entry: + %and = and i8 %cond, 1 + %cmp10 = icmp ne i8 %and, 1 + %0 = xor i16 %A, 43 + %1 = select i1 %cmp10, i16 %A, i16 %0 + ret i16 %1 +} + define i32 @select_xor_2(i32 %A, i32 %B, i8 %cond) { ; CHECK-LABEL: select_xor_2: ; CHECK: ## %bb.0: ## %entry @@ -1126,6 +1155,33 @@ entry: ret i32 %1 } +; Equivalent to above, but with icmp ne (and %cond, 1), 1 instead of +; icmp eq (and %cond, 1), 0 +define i32 @select_xor_2b(i32 %A, i32 %B, i8 %cond) { +; CHECK-LABEL: select_xor_2b: +; CHECK: ## %bb.0: ## %entry +; CHECK-NEXT: xorl %edi, %esi +; CHECK-NEXT: testb $1, %dl +; CHECK-NEXT: cmovel %edi, %esi +; CHECK-NEXT: movl %esi, %eax +; CHECK-NEXT: retq +; +; MCU-LABEL: select_xor_2b: +; MCU: # %bb.0: # %entry +; MCU-NEXT: testb $1, %cl +; MCU-NEXT: je .LBB28_2 +; MCU-NEXT: # %bb.1: +; MCU-NEXT: xorl %edx, %eax +; MCU-NEXT: .LBB28_2: # %entry +; MCU-NEXT: retl +entry: + %and = and i8 %cond, 1 + %cmp10 = icmp ne i8 %and, 1 + %0 = xor i32 %B, %A + %1 = select i1 %cmp10, i32 %A, i32 %0 + ret i32 %1 +} + define i32 @select_or(i32 %A, i32 %B, i8 %cond) { ; CHECK-LABEL: select_or: ; CHECK: ## %bb.0: ## %entry @@ -1150,6 +1206,33 @@ entry: ret i32 %1 } +; Equivalent to above, but with icmp ne (and %cond, 1), 1 instead of +; icmp eq (and %cond, 1), 0 +define i32 @select_or_b(i32 %A, i32 %B, i8 %cond) { +; CHECK-LABEL: select_or_b: +; CHECK: ## %bb.0: ## %entry +; CHECK-NEXT: orl %edi, %esi +; CHECK-NEXT: testb $1, %dl +; CHECK-NEXT: cmovel %edi, %esi +; CHECK-NEXT: movl %esi, %eax +; CHECK-NEXT: retq +; +; MCU-LABEL: select_or_b: +; MCU: # %bb.0: # %entry +; MCU-NEXT: testb $1, %cl +; MCU-NEXT: je .LBB30_2 +; MCU-NEXT: # %bb.1: +; MCU-NEXT: orl %edx, %eax +; MCU-NEXT: .LBB30_2: # %entry +; MCU-NEXT: retl +entry: + %and = and i8 %cond, 1 + %cmp10 = icmp ne i8 %and, 1 + %0 = or i32 %B, %A + %1 = select i1 %cmp10, i32 %A, i32 %0 + ret i32 %1 +} + define i32 @select_or_1(i32 %A, i32 %B, i32 %cond) { ; CHECK-LABEL: select_or_1: ; CHECK: ## %bb.0: ## %entry @@ -1173,3 +1256,30 @@ entry: %1 = select i1 %cmp10, i32 %A, i32 %0 ret i32 %1 } + +; Equivalent to above, but with icmp ne (and %cond, 1), 1 instead of +; icmp eq (and %cond, 1), 0 +define i32 @select_or_1b(i32 %A, i32 %B, i32 %cond) { +; CHECK-LABEL: select_or_1b: +; CHECK: ## %bb.0: ## %entry +; CHECK-NEXT: orl %edi, %esi +; CHECK-NEXT: testb $1, %dl +; CHECK-NEXT: cmovel %edi, %esi +; CHECK-NEXT: movl %esi, %eax +; CHECK-NEXT: retq +; +; MCU-LABEL: select_or_1b: +; MCU: # %bb.0: # %entry +; MCU-NEXT: testb $1, %cl +; MCU-NEXT: je .LBB32_2 +; MCU-NEXT: # %bb.1: +; MCU-NEXT: orl %edx, %eax +; MCU-NEXT: .LBB32_2: # %entry +; MCU-NEXT: retl +entry: + %and = and i32 %cond, 1 + %cmp10 = icmp ne i32 %and, 1 + %0 = or i32 %B, %A + %1 = select i1 %cmp10, i32 %A, i32 %0 + ret i32 %1 +} |
