diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/align-down-const.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/align-down-const.ll | 37 |
1 files changed, 10 insertions, 27 deletions
diff --git a/llvm/test/CodeGen/X86/align-down-const.ll b/llvm/test/CodeGen/X86/align-down-const.ll index 1181f20f935..86f2dacbac1 100644 --- a/llvm/test/CodeGen/X86/align-down-const.ll +++ b/llvm/test/CodeGen/X86/align-down-const.ll @@ -19,17 +19,13 @@ define i32 @t0_32(i32 %ptr) nounwind { ; X86-LABEL: t0_32: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-NEXT: movl %eax, %ecx -; X86-NEXT: andl $15, %ecx -; X86-NEXT: subl %ecx, %eax +; X86-NEXT: andl $-16, %eax ; X86-NEXT: retl ; ; X64-LABEL: t0_32: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax -; X64-NEXT: movl %edi, %ecx -; X64-NEXT: andl $15, %ecx -; X64-NEXT: subl %ecx, %eax +; X64-NEXT: andl $-16, %eax ; X64-NEXT: retq %bias = and i32 %ptr, 15 %r = sub i32 %ptr, %bias @@ -40,18 +36,13 @@ define i64 @t1_64(i64 %ptr) nounwind { ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx -; X86-NEXT: movl %eax, %ecx -; X86-NEXT: andl $15, %ecx -; X86-NEXT: subl %ecx, %eax -; X86-NEXT: sbbl $0, %edx +; X86-NEXT: andl $-16, %eax ; X86-NEXT: retl ; ; X64-LABEL: t1_64: ; X64: # %bb.0: ; X64-NEXT: movq %rdi, %rax -; X64-NEXT: movl %eax, %ecx -; X64-NEXT: andl $15, %ecx -; X64-NEXT: subq %rcx, %rax +; X64-NEXT: andq $-16, %rax ; X64-NEXT: retq %bias = and i64 %ptr, 15 %r = sub i64 %ptr, %bias @@ -62,17 +53,13 @@ define i32 @t2_powerof2(i32 %ptr) nounwind { ; X86-LABEL: t2_powerof2: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-NEXT: movl %eax, %ecx -; X86-NEXT: andl $16, %ecx -; X86-NEXT: subl %ecx, %eax +; X86-NEXT: andl $-17, %eax ; X86-NEXT: retl ; ; X64-LABEL: t2_powerof2: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax -; X64-NEXT: movl %edi, %ecx -; X64-NEXT: andl $16, %ecx -; X64-NEXT: subl %ecx, %eax +; X64-NEXT: andl $-17, %eax ; X64-NEXT: retq %bias = and i32 %ptr, 16 %r = sub i32 %ptr, %bias @@ -82,17 +69,13 @@ define i32 @t3_random_constant(i32 %ptr) nounwind { ; X86-LABEL: t3_random_constant: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-NEXT: movl %eax, %ecx -; X86-NEXT: andl $42, %ecx -; X86-NEXT: subl %ecx, %eax +; X86-NEXT: andl $-43, %eax ; X86-NEXT: retl ; ; X64-LABEL: t3_random_constant: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax -; X64-NEXT: movl %edi, %ecx -; X64-NEXT: andl $42, %ecx -; X64-NEXT: subl %ecx, %eax +; X64-NEXT: andl $-43, %eax ; X64-NEXT: retq %bias = and i32 %ptr, 42 %r = sub i32 %ptr, %bias @@ -109,7 +92,7 @@ define i32 @t4_extrause(i32 %ptr, i32* %bias_storage) nounwind { ; X86-NEXT: movl %eax, %edx ; X86-NEXT: andl $15, %edx ; X86-NEXT: movl %edx, (%ecx) -; X86-NEXT: subl %edx, %eax +; X86-NEXT: andl $-16, %eax ; X86-NEXT: retl ; ; X64-LABEL: t4_extrause: @@ -118,7 +101,7 @@ define i32 @t4_extrause(i32 %ptr, i32* %bias_storage) nounwind { ; X64-NEXT: movl %edi, %ecx ; X64-NEXT: andl $15, %ecx ; X64-NEXT: movl %ecx, (%rsi) -; X64-NEXT: subl %ecx, %eax +; X64-NEXT: andl $-16, %eax ; X64-NEXT: retq %bias = and i32 %ptr, 15 store i32 %bias, i32* %bias_storage |
