forked from OSchip/llvm-project
[x86] preserve test intent by removing undef
D43141 proposes to correct undef folding in the DAG, and this test would not survive that change. llvm-svn: 324816
This commit is contained in:
Sanjay Patel
parent
514d8cc1de
commit
5d176da09c
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@ -6,14 +6,30 @@ define <2 x i256> @test_shl(<2 x i256> %In) {
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; X32-LABEL: test_shl:
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; X32: # %bb.0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl $0, 60(%eax)
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; X32-NEXT: movl $0, 56(%eax)
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; X32-NEXT: movl $0, 52(%eax)
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; X32-NEXT: movl $0, 48(%eax)
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; X32-NEXT: movl $0, 44(%eax)
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; X32-NEXT: movl $0, 40(%eax)
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; X32-NEXT: movl $0, 36(%eax)
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; X32-NEXT: movl $0, 32(%eax)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X32-NEXT: shldl $2, %edx, %ecx
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; X32-NEXT: movl %ecx, 60(%eax)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: shldl $2, %ecx, %edx
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; X32-NEXT: movl %edx, 56(%eax)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X32-NEXT: shldl $2, %edx, %ecx
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; X32-NEXT: movl %ecx, 52(%eax)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: shldl $2, %ecx, %edx
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; X32-NEXT: movl %edx, 48(%eax)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X32-NEXT: shldl $2, %edx, %ecx
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; X32-NEXT: movl %ecx, 44(%eax)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: shldl $2, %ecx, %edx
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; X32-NEXT: movl %edx, 40(%eax)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X32-NEXT: shldl $2, %edx, %ecx
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; X32-NEXT: movl %ecx, 36(%eax)
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; X32-NEXT: shll $2, %edx
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; X32-NEXT: movl %edx, 32(%eax)
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; X32-NEXT: movl $0, 28(%eax)
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; X32-NEXT: movl $0, 24(%eax)
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; X32-NEXT: movl $0, 20(%eax)
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@ -26,14 +42,23 @@ define <2 x i256> @test_shl(<2 x i256> %In) {
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;
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; X64-LABEL: test_shl:
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; X64: # %bb.0:
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; X64-NEXT: movq {{[0-9]+}}(%rsp), %rax
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; X64-NEXT: movq {{[0-9]+}}(%rsp), %rcx
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; X64-NEXT: movq {{[0-9]+}}(%rsp), %rdx
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; X64-NEXT: shldq $2, %rax, %rcx
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; X64-NEXT: shldq $2, %rdx, %rax
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; X64-NEXT: shldq $2, %r9, %rdx
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; X64-NEXT: shlq $2, %r9
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; X64-NEXT: movq %rcx, 56(%rdi)
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; X64-NEXT: movq %rax, 48(%rdi)
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; X64-NEXT: movq %rdx, 40(%rdi)
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; X64-NEXT: movq %r9, 32(%rdi)
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; X64-NEXT: xorps %xmm0, %xmm0
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; X64-NEXT: movaps %xmm0, 48(%rdi)
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; X64-NEXT: movaps %xmm0, 32(%rdi)
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; X64-NEXT: movaps %xmm0, 16(%rdi)
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; X64-NEXT: movaps %xmm0, (%rdi)
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; X64-NEXT: movq %rdi, %rax
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; X64-NEXT: retq
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%Amt = insertelement <2 x i256> undef, i256 -1, i32 0
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%Amt = insertelement <2 x i256> <i256 1, i256 2>, i256 -1, i32 0
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%Out = shl <2 x i256> %In, %Amt
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ret <2 x i256> %Out
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}
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@ -41,15 +66,50 @@ define <2 x i256> @test_shl(<2 x i256> %In) {
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define <2 x i256> @test_srl(<2 x i256> %In) {
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; X32-LABEL: test_srl:
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; X32: # %bb.0:
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; X32-NEXT: pushl %ebp
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; X32-NEXT: .cfi_def_cfa_offset 8
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; X32-NEXT: pushl %ebx
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; X32-NEXT: .cfi_def_cfa_offset 12
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; X32-NEXT: pushl %edi
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; X32-NEXT: .cfi_def_cfa_offset 16
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; X32-NEXT: pushl %esi
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; X32-NEXT: .cfi_def_cfa_offset 20
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; X32-NEXT: subl $8, %esp
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; X32-NEXT: .cfi_def_cfa_offset 28
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; X32-NEXT: .cfi_offset %esi, -20
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; X32-NEXT: .cfi_offset %edi, -16
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; X32-NEXT: .cfi_offset %ebx, -12
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; X32-NEXT: .cfi_offset %ebp, -8
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; X32-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl $0, 60(%eax)
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; X32-NEXT: movl $0, 56(%eax)
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; X32-NEXT: movl $0, 52(%eax)
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; X32-NEXT: movl $0, 48(%eax)
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; X32-NEXT: movl $0, 44(%eax)
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; X32-NEXT: movl $0, 40(%eax)
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; X32-NEXT: movl $0, 36(%eax)
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; X32-NEXT: movl $0, 32(%eax)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %esi
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; X32-NEXT: movl {{[0-9]+}}(%esp), %edi
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ebx
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ebp
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; X32-NEXT: movl %edx, %ecx
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; X32-NEXT: shldl $28, %eax, %ecx
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; X32-NEXT: movl %ecx, {{[0-9]+}}(%esp) # 4-byte Spill
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; X32-NEXT: shldl $28, %esi, %eax
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; X32-NEXT: movl %eax, (%esp) # 4-byte Spill
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; X32-NEXT: shldl $28, %edi, %esi
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; X32-NEXT: shldl $28, %ebx, %edi
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; X32-NEXT: shldl $28, %ebp, %ebx
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: shldl $28, %eax, %ebp
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: shrdl $4, %eax, %ecx
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; X32-NEXT: shrl $4, %edx
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl %edx, 60(%eax)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %edx # 4-byte Reload
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; X32-NEXT: movl %edx, 56(%eax)
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; X32-NEXT: movl (%esp), %edx # 4-byte Reload
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; X32-NEXT: movl %edx, 52(%eax)
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; X32-NEXT: movl %esi, 48(%eax)
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; X32-NEXT: movl %edi, 44(%eax)
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; X32-NEXT: movl %ebx, 40(%eax)
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; X32-NEXT: movl %ebp, 36(%eax)
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; X32-NEXT: movl %ecx, 32(%eax)
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; X32-NEXT: movl $0, 28(%eax)
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; X32-NEXT: movl $0, 24(%eax)
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; X32-NEXT: movl $0, 20(%eax)
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@ -58,18 +118,32 @@ define <2 x i256> @test_srl(<2 x i256> %In) {
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; X32-NEXT: movl $0, 8(%eax)
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; X32-NEXT: movl $0, 4(%eax)
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; X32-NEXT: movl $0, (%eax)
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; X32-NEXT: addl $8, %esp
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; X32-NEXT: popl %esi
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; X32-NEXT: popl %edi
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; X32-NEXT: popl %ebx
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; X32-NEXT: popl %ebp
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; X32-NEXT: retl $4
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;
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; X64-LABEL: test_srl:
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; X64: # %bb.0:
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; X64-NEXT: movq {{[0-9]+}}(%rsp), %rax
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; X64-NEXT: movq {{[0-9]+}}(%rsp), %rcx
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; X64-NEXT: movq {{[0-9]+}}(%rsp), %rdx
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; X64-NEXT: shrdq $4, %rdx, %r9
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; X64-NEXT: shrdq $4, %rax, %rdx
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; X64-NEXT: shrdq $4, %rcx, %rax
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; X64-NEXT: shrq $4, %rcx
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; X64-NEXT: movq %rcx, 56(%rdi)
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; X64-NEXT: movq %rax, 48(%rdi)
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; X64-NEXT: movq %rdx, 40(%rdi)
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; X64-NEXT: movq %r9, 32(%rdi)
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; X64-NEXT: xorps %xmm0, %xmm0
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; X64-NEXT: movaps %xmm0, 48(%rdi)
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; X64-NEXT: movaps %xmm0, 32(%rdi)
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; X64-NEXT: movaps %xmm0, 16(%rdi)
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; X64-NEXT: movaps %xmm0, (%rdi)
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; X64-NEXT: movq %rdi, %rax
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; X64-NEXT: retq
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%Amt = insertelement <2 x i256> undef, i256 -1, i32 0
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%Amt = insertelement <2 x i256> <i256 3, i256 4>, i256 -1, i32 0
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%Out = lshr <2 x i256> %In, %Amt
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ret <2 x i256> %Out
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}
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@ -77,22 +151,49 @@ define <2 x i256> @test_srl(<2 x i256> %In) {
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define <2 x i256> @test_sra(<2 x i256> %In) {
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; X32-LABEL: test_sra:
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; X32: # %bb.0:
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; X32-NEXT: pushl %ebp
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; X32-NEXT: .cfi_def_cfa_offset 8
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; X32-NEXT: pushl %ebx
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; X32-NEXT: .cfi_def_cfa_offset 12
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; X32-NEXT: pushl %edi
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; X32-NEXT: .cfi_def_cfa_offset 16
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; X32-NEXT: pushl %esi
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; X32-NEXT: .cfi_def_cfa_offset 20
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; X32-NEXT: subl $8, %esp
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; X32-NEXT: .cfi_def_cfa_offset 28
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; X32-NEXT: .cfi_offset %esi, -20
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; X32-NEXT: .cfi_offset %edi, -16
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; X32-NEXT: .cfi_offset %ebx, -12
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; X32-NEXT: .cfi_offset %ebp, -8
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; X32-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl {{[0-9]+}}(%esp), %esi
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; X32-NEXT: movl {{[0-9]+}}(%esp), %edi
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ebx
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ebp
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; X32-NEXT: movl %edx, %ecx
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; X32-NEXT: shldl $26, %eax, %ecx
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; X32-NEXT: movl %ecx, {{[0-9]+}}(%esp) # 4-byte Spill
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; X32-NEXT: shldl $26, %esi, %eax
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; X32-NEXT: movl %eax, (%esp) # 4-byte Spill
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; X32-NEXT: shldl $26, %edi, %esi
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; X32-NEXT: shldl $26, %ebx, %edi
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; X32-NEXT: shldl $26, %ebp, %ebx
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: shldl $26, %eax, %ebp
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: movl %ecx, 60(%eax)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: movl %ecx, 56(%eax)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: movl %ecx, 52(%eax)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: movl %ecx, 48(%eax)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: movl %ecx, 44(%eax)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: movl %ecx, 40(%eax)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: movl %ecx, 36(%eax)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: shrdl $6, %eax, %ecx
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; X32-NEXT: sarl $6, %edx
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl %edx, 60(%eax)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %edx # 4-byte Reload
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; X32-NEXT: movl %edx, 56(%eax)
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; X32-NEXT: movl (%esp), %edx # 4-byte Reload
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; X32-NEXT: movl %edx, 52(%eax)
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; X32-NEXT: movl %esi, 48(%eax)
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; X32-NEXT: movl %edi, 44(%eax)
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; X32-NEXT: movl %ebx, 40(%eax)
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; X32-NEXT: movl %ebp, 36(%eax)
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; X32-NEXT: movl %ecx, 32(%eax)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: sarl $31, %ecx
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@ -104,6 +205,11 @@ define <2 x i256> @test_sra(<2 x i256> %In) {
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; X32-NEXT: movl %ecx, 8(%eax)
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; X32-NEXT: movl %ecx, 4(%eax)
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; X32-NEXT: movl %ecx, (%eax)
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; X32-NEXT: addl $8, %esp
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; X32-NEXT: popl %esi
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; X32-NEXT: popl %edi
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; X32-NEXT: popl %ebx
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; X32-NEXT: popl %ebp
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; X32-NEXT: retl $4
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;
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; X64-LABEL: test_sra:
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@ -111,10 +217,14 @@ define <2 x i256> @test_sra(<2 x i256> %In) {
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; X64-NEXT: movq {{[0-9]+}}(%rsp), %rax
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; X64-NEXT: movq {{[0-9]+}}(%rsp), %rcx
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; X64-NEXT: movq {{[0-9]+}}(%rsp), %rdx
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; X64-NEXT: shrdq $6, %rdx, %r9
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; X64-NEXT: shrdq $6, %rax, %rdx
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; X64-NEXT: sarq $63, %r8
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; X64-NEXT: movq %rdx, 56(%rdi)
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; X64-NEXT: movq %rcx, 48(%rdi)
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; X64-NEXT: movq %rax, 40(%rdi)
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; X64-NEXT: shrdq $6, %rcx, %rax
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; X64-NEXT: sarq $6, %rcx
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; X64-NEXT: movq %rcx, 56(%rdi)
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; X64-NEXT: movq %rax, 48(%rdi)
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; X64-NEXT: movq %rdx, 40(%rdi)
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; X64-NEXT: movq %r9, 32(%rdi)
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; X64-NEXT: movq %r8, 24(%rdi)
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; X64-NEXT: movq %r8, 16(%rdi)
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@ -122,7 +232,7 @@ define <2 x i256> @test_sra(<2 x i256> %In) {
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; X64-NEXT: movq %r8, (%rdi)
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; X64-NEXT: movq %rdi, %rax
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; X64-NEXT: retq
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%Amt = insertelement <2 x i256> undef, i256 -1, i32 0
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%Amt = insertelement <2 x i256> <i256 5, i256 6>, i256 -1, i32 0
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%Out = ashr <2 x i256> %In, %Amt
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ret <2 x i256> %Out
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}
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