diff options
Diffstat (limited to 'test/CodeGen/X86/mul-constant-i64.ll')
| -rw-r--r-- | test/CodeGen/X86/mul-constant-i64.ll | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/test/CodeGen/X86/mul-constant-i64.ll b/test/CodeGen/X86/mul-constant-i64.ll index 332ad7f01299..761ca67ab31b 100644 --- a/test/CodeGen/X86/mul-constant-i64.ll +++ b/test/CodeGen/X86/mul-constant-i64.ll @@ -2107,6 +2107,144 @@ define i64 @test_mul_by_520(i64 %x) { ret i64 %mul } +define i64 @test_mul_by_neg10(i64 %x) { +; X86-LABEL: test_mul_by_neg10: +; X86: # %bb.0: +; X86-NEXT: pushl %esi +; X86-NEXT: .cfi_def_cfa_offset 8 +; X86-NEXT: .cfi_offset %esi, -8 +; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-NEXT: movl {{[0-9]+}}(%esp), %esi +; X86-NEXT: movl $-10, %edx +; X86-NEXT: movl %ecx, %eax +; X86-NEXT: mull %edx +; X86-NEXT: subl %ecx, %edx +; X86-NEXT: leal (%esi,%esi,4), %ecx +; X86-NEXT: addl %ecx, %ecx +; X86-NEXT: subl %ecx, %edx +; X86-NEXT: popl %esi +; X86-NEXT: .cfi_def_cfa_offset 4 +; X86-NEXT: retl +; +; X64-HSW-LABEL: test_mul_by_neg10: +; X64-HSW: # %bb.0: +; X64-HSW-NEXT: addq %rdi, %rdi # sched: [1:0.25] +; X64-HSW-NEXT: leaq (%rdi,%rdi,4), %rax # sched: [1:0.50] +; X64-HSW-NEXT: negq %rax # sched: [1:0.25] +; X64-HSW-NEXT: retq # sched: [7:1.00] +; +; X64-JAG-LABEL: test_mul_by_neg10: +; X64-JAG: # %bb.0: +; X64-JAG-NEXT: addq %rdi, %rdi # sched: [1:0.50] +; X64-JAG-NEXT: leaq (%rdi,%rdi,4), %rax # sched: [2:1.00] +; X64-JAG-NEXT: negq %rax # sched: [1:0.50] +; X64-JAG-NEXT: retq # sched: [4:1.00] +; +; X86-NOOPT-LABEL: test_mul_by_neg10: +; X86-NOOPT: # %bb.0: +; X86-NOOPT-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-NOOPT-NEXT: movl $-10, %edx +; X86-NOOPT-NEXT: movl %ecx, %eax +; X86-NOOPT-NEXT: mull %edx +; X86-NOOPT-NEXT: subl %ecx, %edx +; X86-NOOPT-NEXT: imull $-10, {{[0-9]+}}(%esp), %ecx +; X86-NOOPT-NEXT: addl %ecx, %edx +; X86-NOOPT-NEXT: retl +; +; HSW-NOOPT-LABEL: test_mul_by_neg10: +; HSW-NOOPT: # %bb.0: +; HSW-NOOPT-NEXT: imulq $-10, %rdi, %rax # sched: [3:1.00] +; HSW-NOOPT-NEXT: retq # sched: [7:1.00] +; +; JAG-NOOPT-LABEL: test_mul_by_neg10: +; JAG-NOOPT: # %bb.0: +; JAG-NOOPT-NEXT: imulq $-10, %rdi, %rax # sched: [6:4.00] +; JAG-NOOPT-NEXT: retq # sched: [4:1.00] +; +; X64-SLM-LABEL: test_mul_by_neg10: +; X64-SLM: # %bb.0: +; X64-SLM-NEXT: addq %rdi, %rdi # sched: [1:0.50] +; X64-SLM-NEXT: leaq (%rdi,%rdi,4), %rax # sched: [1:1.00] +; X64-SLM-NEXT: negq %rax # sched: [1:0.50] +; X64-SLM-NEXT: retq # sched: [4:1.00] +; +; SLM-NOOPT-LABEL: test_mul_by_neg10: +; SLM-NOOPT: # %bb.0: +; SLM-NOOPT-NEXT: imulq $-10, %rdi, %rax # sched: [3:1.00] +; SLM-NOOPT-NEXT: retq # sched: [4:1.00] + %mul = mul nsw i64 %x, -10 + ret i64 %mul +} + +define i64 @test_mul_by_neg36(i64 %x) { +; X86-LABEL: test_mul_by_neg36: +; X86: # %bb.0: +; X86-NEXT: pushl %esi +; X86-NEXT: .cfi_def_cfa_offset 8 +; X86-NEXT: .cfi_offset %esi, -8 +; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-NEXT: movl {{[0-9]+}}(%esp), %esi +; X86-NEXT: movl $-36, %edx +; X86-NEXT: movl %ecx, %eax +; X86-NEXT: mull %edx +; X86-NEXT: subl %ecx, %edx +; X86-NEXT: leal (%esi,%esi,8), %ecx +; X86-NEXT: shll $2, %ecx +; X86-NEXT: subl %ecx, %edx +; X86-NEXT: popl %esi +; X86-NEXT: .cfi_def_cfa_offset 4 +; X86-NEXT: retl +; +; X64-HSW-LABEL: test_mul_by_neg36: +; X64-HSW: # %bb.0: +; X64-HSW-NEXT: shlq $2, %rdi # sched: [1:0.50] +; X64-HSW-NEXT: leaq (%rdi,%rdi,8), %rax # sched: [1:0.50] +; X64-HSW-NEXT: negq %rax # sched: [1:0.25] +; X64-HSW-NEXT: retq # sched: [7:1.00] +; +; X64-JAG-LABEL: test_mul_by_neg36: +; X64-JAG: # %bb.0: +; X64-JAG-NEXT: shlq $2, %rdi # sched: [1:0.50] +; X64-JAG-NEXT: leaq (%rdi,%rdi,8), %rax # sched: [2:1.00] +; X64-JAG-NEXT: negq %rax # sched: [1:0.50] +; X64-JAG-NEXT: retq # sched: [4:1.00] +; +; X86-NOOPT-LABEL: test_mul_by_neg36: +; X86-NOOPT: # %bb.0: +; X86-NOOPT-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-NOOPT-NEXT: movl $-36, %edx +; X86-NOOPT-NEXT: movl %ecx, %eax +; X86-NOOPT-NEXT: mull %edx +; X86-NOOPT-NEXT: subl %ecx, %edx +; X86-NOOPT-NEXT: imull $-36, {{[0-9]+}}(%esp), %ecx +; X86-NOOPT-NEXT: addl %ecx, %edx +; X86-NOOPT-NEXT: retl +; +; HSW-NOOPT-LABEL: test_mul_by_neg36: +; HSW-NOOPT: # %bb.0: +; HSW-NOOPT-NEXT: imulq $-36, %rdi, %rax # sched: [3:1.00] +; HSW-NOOPT-NEXT: retq # sched: [7:1.00] +; +; JAG-NOOPT-LABEL: test_mul_by_neg36: +; JAG-NOOPT: # %bb.0: +; JAG-NOOPT-NEXT: imulq $-36, %rdi, %rax # sched: [6:4.00] +; JAG-NOOPT-NEXT: retq # sched: [4:1.00] +; +; X64-SLM-LABEL: test_mul_by_neg36: +; X64-SLM: # %bb.0: +; X64-SLM-NEXT: shlq $2, %rdi # sched: [1:1.00] +; X64-SLM-NEXT: leaq (%rdi,%rdi,8), %rax # sched: [1:1.00] +; X64-SLM-NEXT: negq %rax # sched: [1:0.50] +; X64-SLM-NEXT: retq # sched: [4:1.00] +; +; SLM-NOOPT-LABEL: test_mul_by_neg36: +; SLM-NOOPT: # %bb.0: +; SLM-NOOPT-NEXT: imulq $-36, %rdi, %rax # sched: [3:1.00] +; SLM-NOOPT-NEXT: retq # sched: [4:1.00] + %mul = mul nsw i64 %x, -36 + ret i64 %mul +} + ; (x*9+42)*(x*5+2) define i64 @test_mul_spec(i64 %x) nounwind { ; X86-LABEL: test_mul_spec: |