diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/extract-bits.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/extract-bits.ll | 78 |
1 files changed, 62 insertions, 16 deletions
diff --git a/llvm/test/CodeGen/X86/extract-bits.ll b/llvm/test/CodeGen/X86/extract-bits.ll index b16aeb3d350..06f316b14d0 100644 --- a/llvm/test/CodeGen/X86/extract-bits.ll +++ b/llvm/test/CodeGen/X86/extract-bits.ll @@ -5568,23 +5568,69 @@ define i64 @bextr64_d5_skipextrauses(i64 %val, i64 %numskipbits, i64 %numlowbits ; https://bugs.llvm.org/show_bug.cgi?id=38938 define void @pr38938(i32* %a0, i64* %a1) { -; X86-LABEL: pr38938: -; X86: # %bb.0: -; X86-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx -; X86-NEXT: movl (%ecx), %ecx -; X86-NEXT: shrl $19, %ecx -; X86-NEXT: andl $4092, %ecx # imm = 0xFFC -; X86-NEXT: incl (%eax,%ecx) -; X86-NEXT: retl +; X86-NOBMI-LABEL: pr38938: +; X86-NOBMI: # %bb.0: +; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-NOBMI-NEXT: movl (%ecx), %ecx +; X86-NOBMI-NEXT: shrl $19, %ecx +; X86-NOBMI-NEXT: andl $4092, %ecx # imm = 0xFFC +; X86-NOBMI-NEXT: incl (%eax,%ecx) +; X86-NOBMI-NEXT: retl ; -; X64-LABEL: pr38938: -; X64: # %bb.0: -; X64-NEXT: movq (%rsi), %rax -; X64-NEXT: shrq $19, %rax -; X64-NEXT: andl $4092, %eax # imm = 0xFFC -; X64-NEXT: incl (%rdi,%rax) -; X64-NEXT: retq +; X86-BMI1NOTBM-LABEL: pr38938: +; X86-BMI1NOTBM: # %bb.0: +; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-BMI1NOTBM-NEXT: movl $2581, %edx # imm = 0xA15 +; X86-BMI1NOTBM-NEXT: bextrl %edx, (%ecx), %ecx +; X86-BMI1NOTBM-NEXT: incl (%eax,%ecx,4) +; X86-BMI1NOTBM-NEXT: retl +; +; X86-BMI1TBM-LABEL: pr38938: +; X86-BMI1TBM: # %bb.0: +; X86-BMI1TBM-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-BMI1TBM-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-BMI1TBM-NEXT: bextrl $2581, (%ecx), %ecx # imm = 0xA15 +; X86-BMI1TBM-NEXT: incl (%eax,%ecx,4) +; X86-BMI1TBM-NEXT: retl +; +; X86-BMI1NOTBMBMI2-LABEL: pr38938: +; X86-BMI1NOTBMBMI2: # %bb.0: +; X86-BMI1NOTBMBMI2-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-BMI1NOTBMBMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-BMI1NOTBMBMI2-NEXT: movl $2581, %edx # imm = 0xA15 +; X86-BMI1NOTBMBMI2-NEXT: bextrl %edx, (%ecx), %ecx +; X86-BMI1NOTBMBMI2-NEXT: incl (%eax,%ecx,4) +; X86-BMI1NOTBMBMI2-NEXT: retl +; +; X64-NOBMI-LABEL: pr38938: +; X64-NOBMI: # %bb.0: +; X64-NOBMI-NEXT: movq (%rsi), %rax +; X64-NOBMI-NEXT: shrq $19, %rax +; X64-NOBMI-NEXT: andl $4092, %eax # imm = 0xFFC +; X64-NOBMI-NEXT: incl (%rdi,%rax) +; X64-NOBMI-NEXT: retq +; +; X64-BMI1NOTBM-LABEL: pr38938: +; X64-BMI1NOTBM: # %bb.0: +; X64-BMI1NOTBM-NEXT: movl $2581, %eax # imm = 0xA15 +; X64-BMI1NOTBM-NEXT: bextrq %rax, (%rsi), %rax +; X64-BMI1NOTBM-NEXT: incl (%rdi,%rax,4) +; X64-BMI1NOTBM-NEXT: retq +; +; X64-BMI1TBM-LABEL: pr38938: +; X64-BMI1TBM: # %bb.0: +; X64-BMI1TBM-NEXT: bextrq $2581, (%rsi), %rax # imm = 0xA15 +; X64-BMI1TBM-NEXT: incl (%rdi,%rax,4) +; X64-BMI1TBM-NEXT: retq +; +; X64-BMI1NOTBMBMI2-LABEL: pr38938: +; X64-BMI1NOTBMBMI2: # %bb.0: +; X64-BMI1NOTBMBMI2-NEXT: movl $2581, %eax # imm = 0xA15 +; X64-BMI1NOTBMBMI2-NEXT: bextrq %rax, (%rsi), %rax +; X64-BMI1NOTBMBMI2-NEXT: incl (%rdi,%rax,4) +; X64-BMI1NOTBMBMI2-NEXT: retq %tmp = load i64, i64* %a1, align 8 %tmp1 = lshr i64 %tmp, 21 %tmp2 = and i64 %tmp1, 1023 |
