diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/hoist-and-by-const-from-lshr-in-eqcmp-zero.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/hoist-and-by-const-from-lshr-in-eqcmp-zero.ll | 30 |
1 files changed, 8 insertions, 22 deletions
diff --git a/llvm/test/CodeGen/X86/hoist-and-by-const-from-lshr-in-eqcmp-zero.ll b/llvm/test/CodeGen/X86/hoist-and-by-const-from-lshr-in-eqcmp-zero.ll index 363df5335ef..6663459f49d 100644 --- a/llvm/test/CodeGen/X86/hoist-and-by-const-from-lshr-in-eqcmp-zero.ll +++ b/llvm/test/CodeGen/X86/hoist-and-by-const-from-lshr-in-eqcmp-zero.ll @@ -762,7 +762,7 @@ define i1 @scalar_i32_x_is_const2_eq(i32 %y) nounwind { ; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl ; X86-BMI1-NEXT: movl $1, %eax ; X86-BMI1-NEXT: shrl %cl, %eax -; X86-BMI1-NEXT: testl $-1437226411, %eax # imm = 0xAA55AA55 +; X86-BMI1-NEXT: testb %al, %al ; X86-BMI1-NEXT: sete %al ; X86-BMI1-NEXT: retl ; @@ -771,7 +771,7 @@ define i1 @scalar_i32_x_is_const2_eq(i32 %y) nounwind { ; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al ; X86-BMI2-NEXT: movl $1, %ecx ; X86-BMI2-NEXT: shrxl %eax, %ecx, %eax -; X86-BMI2-NEXT: testl $-1437226411, %eax # imm = 0xAA55AA55 +; X86-BMI2-NEXT: testb %al, %al ; X86-BMI2-NEXT: sete %al ; X86-BMI2-NEXT: retl ; @@ -781,7 +781,7 @@ define i1 @scalar_i32_x_is_const2_eq(i32 %y) nounwind { ; X64-BMI1-NEXT: movl $1, %eax ; X64-BMI1-NEXT: # kill: def $cl killed $cl killed $ecx ; X64-BMI1-NEXT: shrl %cl, %eax -; X64-BMI1-NEXT: testl $-1437226411, %eax # imm = 0xAA55AA55 +; X64-BMI1-NEXT: testb %al, %al ; X64-BMI1-NEXT: sete %al ; X64-BMI1-NEXT: retq ; @@ -789,7 +789,7 @@ define i1 @scalar_i32_x_is_const2_eq(i32 %y) nounwind { ; X64-BMI2: # %bb.0: ; X64-BMI2-NEXT: movl $1, %eax ; X64-BMI2-NEXT: shrxl %edi, %eax, %eax -; X64-BMI2-NEXT: testl $-1437226411, %eax # imm = 0xAA55AA55 +; X64-BMI2-NEXT: testb %al, %al ; X64-BMI2-NEXT: sete %al ; X64-BMI2-NEXT: retq %t0 = lshr i32 1, %y @@ -803,24 +803,10 @@ define i1 @scalar_i32_x_is_const2_eq(i32 %y) nounwind { ;------------------------------------------------------------------------------; define i1 @negative_scalar_i8_bitsinmiddle_slt(i8 %x, i8 %y) nounwind { -; X86-LABEL: negative_scalar_i8_bitsinmiddle_slt: -; X86: # %bb.0: -; X86-NEXT: movb {{[0-9]+}}(%esp), %cl -; X86-NEXT: movb $24, %al -; X86-NEXT: shrb %cl, %al -; X86-NEXT: andb {{[0-9]+}}(%esp), %al -; X86-NEXT: shrb $7, %al -; X86-NEXT: retl -; -; X64-LABEL: negative_scalar_i8_bitsinmiddle_slt: -; X64: # %bb.0: -; X64-NEXT: movl %esi, %ecx -; X64-NEXT: movb $24, %al -; X64-NEXT: # kill: def $cl killed $cl killed $ecx -; X64-NEXT: shrb %cl, %al -; X64-NEXT: andb %dil, %al -; X64-NEXT: shrb $7, %al -; X64-NEXT: retq +; CHECK-LABEL: negative_scalar_i8_bitsinmiddle_slt: +; CHECK: # %bb.0: +; CHECK-NEXT: xorl %eax, %eax +; CHECK-NEXT: ret{{[l|q]}} %t0 = lshr i8 24, %y %t1 = and i8 %t0, %x %res = icmp slt i8 %t1, 0 |
