diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/divide-by-constant.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/divide-by-constant.ll | 54 |
1 files changed, 26 insertions, 28 deletions
diff --git a/llvm/test/CodeGen/X86/divide-by-constant.ll b/llvm/test/CodeGen/X86/divide-by-constant.ll index 00a0e31ea0d..9fbef11f87b 100644 --- a/llvm/test/CodeGen/X86/divide-by-constant.ll +++ b/llvm/test/CodeGen/X86/divide-by-constant.ll @@ -95,8 +95,8 @@ define i32 @test5(i32 %A) nounwind { ; X32: # %bb.0: ; X32-NEXT: movl $365384439, %eax # imm = 0x15C752F7 ; X32-NEXT: mull {{[0-9]+}}(%esp) -; X32-NEXT: shrl $27, %edx ; X32-NEXT: movl %edx, %eax +; X32-NEXT: shrl $27, %eax ; X32-NEXT: retl ; ; X64-LABEL: test5: @@ -217,9 +217,9 @@ define i32 @testsize1(i32 %x) minsize nounwind { ; ; X64-LABEL: testsize1: ; X64: # %bb.0: # %entry +; X64-NEXT: movl %edi, %eax ; X64-NEXT: pushq $32 ; X64-NEXT: popq %rcx -; X64-NEXT: movl %edi, %eax ; X64-NEXT: cltd ; X64-NEXT: idivl %ecx ; X64-NEXT: retq @@ -240,9 +240,9 @@ define i32 @testsize2(i32 %x) minsize nounwind { ; ; X64-LABEL: testsize2: ; X64: # %bb.0: # %entry +; X64-NEXT: movl %edi, %eax ; X64-NEXT: pushq $33 ; X64-NEXT: popq %rcx -; X64-NEXT: movl %edi, %eax ; X64-NEXT: cltd ; X64-NEXT: idivl %ecx ; X64-NEXT: retq @@ -260,8 +260,8 @@ define i32 @testsize3(i32 %x) minsize nounwind { ; ; X64-LABEL: testsize3: ; X64: # %bb.0: # %entry -; X64-NEXT: shrl $5, %edi ; X64-NEXT: movl %edi, %eax +; X64-NEXT: shrl $5, %eax ; X64-NEXT: retq entry: %div = udiv i32 %x, 32 @@ -280,10 +280,10 @@ define i32 @testsize4(i32 %x) minsize nounwind { ; ; X64-LABEL: testsize4: ; X64: # %bb.0: # %entry +; X64-NEXT: movl %edi, %eax ; X64-NEXT: pushq $33 ; X64-NEXT: popq %rcx ; X64-NEXT: xorl %edx, %edx -; X64-NEXT: movl %edi, %eax ; X64-NEXT: divl %ecx ; X64-NEXT: retq entry: @@ -311,38 +311,36 @@ define i64 @PR23590(i64 %x) nounwind { ; ; X64-FAST-LABEL: PR23590: ; X64-FAST: # %bb.0: # %entry -; X64-FAST-NEXT: movq %rdi, %rcx -; X64-FAST-NEXT: movabsq $6120523590596543007, %rdx # imm = 0x54F077C718E7C21F +; X64-FAST-NEXT: movabsq $6120523590596543007, %rcx # imm = 0x54F077C718E7C21F ; X64-FAST-NEXT: movq %rdi, %rax -; X64-FAST-NEXT: mulq %rdx +; X64-FAST-NEXT: mulq %rcx ; X64-FAST-NEXT: shrq $12, %rdx ; X64-FAST-NEXT: imulq $12345, %rdx, %rax # imm = 0x3039 -; X64-FAST-NEXT: subq %rax, %rcx -; X64-FAST-NEXT: movabsq $2635249153387078803, %rdx # imm = 0x2492492492492493 -; X64-FAST-NEXT: movq %rcx, %rax -; X64-FAST-NEXT: mulq %rdx -; X64-FAST-NEXT: subq %rdx, %rcx -; X64-FAST-NEXT: shrq %rcx -; X64-FAST-NEXT: leaq (%rcx,%rdx), %rax +; X64-FAST-NEXT: subq %rax, %rdi +; X64-FAST-NEXT: movabsq $2635249153387078803, %rcx # imm = 0x2492492492492493 +; X64-FAST-NEXT: movq %rdi, %rax +; X64-FAST-NEXT: mulq %rcx +; X64-FAST-NEXT: subq %rdx, %rdi +; X64-FAST-NEXT: shrq %rdi +; X64-FAST-NEXT: leaq (%rdi,%rdx), %rax ; X64-FAST-NEXT: shrq $2, %rax ; X64-FAST-NEXT: retq ; ; X64-SLOW-LABEL: PR23590: ; X64-SLOW: # %bb.0: # %entry -; X64-SLOW-NEXT: movq %rdi, %rcx -; X64-SLOW-NEXT: movabsq $6120523590596543007, %rdx # imm = 0x54F077C718E7C21F +; X64-SLOW-NEXT: movabsq $6120523590596543007, %rcx # imm = 0x54F077C718E7C21F ; X64-SLOW-NEXT: movq %rdi, %rax -; X64-SLOW-NEXT: mulq %rdx +; X64-SLOW-NEXT: mulq %rcx ; X64-SLOW-NEXT: shrq $12, %rdx ; X64-SLOW-NEXT: imulq $12345, %rdx, %rax # imm = 0x3039 -; X64-SLOW-NEXT: subq %rax, %rcx -; X64-SLOW-NEXT: imulq $613566757, %rcx, %rax # imm = 0x24924925 +; X64-SLOW-NEXT: subq %rax, %rdi +; X64-SLOW-NEXT: imulq $613566757, %rdi, %rax # imm = 0x24924925 ; X64-SLOW-NEXT: shrq $32, %rax -; X64-SLOW-NEXT: subl %eax, %ecx -; X64-SLOW-NEXT: shrl %ecx -; X64-SLOW-NEXT: addl %eax, %ecx -; X64-SLOW-NEXT: shrl $2, %ecx -; X64-SLOW-NEXT: movq %rcx, %rax +; X64-SLOW-NEXT: subl %eax, %edi +; X64-SLOW-NEXT: shrl %edi +; X64-SLOW-NEXT: addl %eax, %edi +; X64-SLOW-NEXT: shrl $2, %edi +; X64-SLOW-NEXT: movq %rdi, %rax ; X64-SLOW-NEXT: retq entry: %rem = urem i64 %x, 12345 @@ -390,10 +388,10 @@ define { i64, i32 } @PR38622(i64) nounwind { ; X64-NEXT: shrq $11, %rax ; X64-NEXT: movabsq $4835703278458517, %rcx # imm = 0x112E0BE826D695 ; X64-NEXT: mulq %rcx -; X64-NEXT: shrq $9, %rdx -; X64-NEXT: imull $-294967296, %edx, %eax # imm = 0xEE6B2800 -; X64-NEXT: subl %eax, %edi ; X64-NEXT: movq %rdx, %rax +; X64-NEXT: shrq $9, %rax +; X64-NEXT: imull $-294967296, %eax, %ecx # imm = 0xEE6B2800 +; X64-NEXT: subl %ecx, %edi ; X64-NEXT: movl %edi, %edx ; X64-NEXT: retq %2 = udiv i64 %0, 4000000000 |
