diff options
Diffstat (limited to 'llvm/test/CodeGen/X86')
| -rw-r--r-- | llvm/test/CodeGen/X86/rdrand.ll | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/llvm/test/CodeGen/X86/rdrand.ll b/llvm/test/CodeGen/X86/rdrand.ll index e3982cc0bc4..d6991060e62 100644 --- a/llvm/test/CodeGen/X86/rdrand.ll +++ b/llvm/test/CodeGen/X86/rdrand.ll @@ -82,35 +82,41 @@ define i32 @CSE() nounwind { define void @loop(i32* %p, i32 %n) nounwind { ; X86-LABEL: loop: ; X86: # %bb.0: # %entry +; X86-NEXT: pushl %esi ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: testl %eax, %eax ; X86-NEXT: je .LBB3_3 ; X86-NEXT: # %bb.1: # %while.body.preheader ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-NEXT: xorl %edx, %edx ; X86-NEXT: .p2align 4, 0x90 ; X86-NEXT: .LBB3_2: # %while.body ; X86-NEXT: # =>This Inner Loop Header: Depth=1 -; X86-NEXT: rdrandl %edx -; X86-NEXT: movl %edx, (%ecx) -; X86-NEXT: leal 4(%ecx), %ecx -; X86-NEXT: addl $-1, %eax +; X86-NEXT: rdrandl %esi +; X86-NEXT: movl %esi, (%ecx,%edx,4) +; X86-NEXT: addl $1, %edx +; X86-NEXT: cmpl %edx, %eax ; X86-NEXT: jne .LBB3_2 ; X86-NEXT: .LBB3_3: # %while.end +; X86-NEXT: popl %esi ; X86-NEXT: retl ; ; X64-LABEL: loop: ; X64: # %bb.0: # %entry ; X64-NEXT: testl %esi, %esi -; X64-NEXT: je .LBB3_2 +; X64-NEXT: je .LBB3_3 +; X64-NEXT: # %bb.1: # %while.body.preheader +; X64-NEXT: movl %esi, %eax +; X64-NEXT: xorl %ecx, %ecx ; X64-NEXT: .p2align 4, 0x90 -; X64-NEXT: .LBB3_1: # %while.body +; X64-NEXT: .LBB3_2: # %while.body ; X64-NEXT: # =>This Inner Loop Header: Depth=1 -; X64-NEXT: rdrandl %eax -; X64-NEXT: movl %eax, (%rdi) -; X64-NEXT: leaq 4(%rdi), %rdi -; X64-NEXT: addl $-1, %esi -; X64-NEXT: jne .LBB3_1 -; X64-NEXT: .LBB3_2: # %while.end +; X64-NEXT: rdrandl %edx +; X64-NEXT: movl %edx, (%rdi,%rcx,4) +; X64-NEXT: addq $1, %rcx +; X64-NEXT: cmpl %ecx, %eax +; X64-NEXT: jne .LBB3_2 +; X64-NEXT: .LBB3_3: # %while.end ; X64-NEXT: retq entry: %tobool1 = icmp eq i32 %n, 0 |
