128 lines
3.4 KiB
LLVM
128 lines
3.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=x86_64-- < %s | FileCheck %s
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; OR of two rotates of %a0(edi).
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define i32 @f0(i32 %a0) #0 {
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; CHECK-LABEL: f0:
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; CHECK: # %bb.0: # %b0
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: roll $7, %eax
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; CHECK-NEXT: roll $9, %edi
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; CHECK-NEXT: orl %edi, %eax
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; CHECK-NEXT: retq
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b0:
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%v0 = shl i32 %a0, 7
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%v1 = lshr i32 %a0, 25
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%v2 = or i32 %v0, %v1
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%v3 = shl i32 %a0, 9
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%v4 = lshr i32 %a0, 23
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%v5 = or i32 %v3, %v4
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%v6 = or i32 %v2, %v5
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ret i32 %v6
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}
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; OR of two rotates of %a0(edi) with an extra input %a1(esi).
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define i32 @f1(i32 %a0, i32 %a1) #0 {
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; CHECK-LABEL: f1:
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; CHECK: # %bb.0: # %b0
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: shll $7, %eax
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; CHECK-NEXT: roll $9, %edi
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; CHECK-NEXT: orl %esi, %edi
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; CHECK-NEXT: orl %edi, %eax
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; CHECK-NEXT: retq
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b0:
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%v0 = shl i32 %a0, 7
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%v1 = lshr i32 %a0, 25
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%v2 = or i32 %v0, %a1
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%v3 = shl i32 %a0, 9
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%v4 = lshr i32 %a0, 23
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%v5 = or i32 %v3, %v4
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%v6 = or i32 %v2, %v5
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%v7 = or i32 %v6, %v1
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ret i32 %v6
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}
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; OR of two rotates of two different inputs: %a0(edi) and %a1(esi).
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define i32 @f2(i32 %a0, i32 %a1) #0 {
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; CHECK-LABEL: f2:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %edi, %ecx
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; CHECK-NEXT: shll $11, %ecx
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; CHECK-NEXT: shrl $21, %edi
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; CHECK-NEXT: movl %esi, %eax
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; CHECK-NEXT: shll $19, %eax
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; CHECK-NEXT: shrl $13, %esi
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; CHECK-NEXT: orl %edi, %esi
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; CHECK-NEXT: orl %esi, %eax
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; CHECK-NEXT: orl %ecx, %eax
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; CHECK-NEXT: retq
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%v0 = shl i32 %a0, 11
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%v1 = lshr i32 %a0, 21
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%v2 = shl i32 %a1, 19
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%v3 = lshr i32 %a1, 13
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%v4 = or i32 %v0, %v2
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%v5 = or i32 %v1, %v3
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%v6 = or i32 %v4, %v5
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ret i32 %v6
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}
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; ORs of multiple shifts of the same value with only one pair actually
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; matching a rotate.
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define i32 @f3(i32 %a0) #0 {
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; CHECK-LABEL: f3:
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; CHECK: # %bb.0: # %b0
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; CHECK-NEXT: # kill: def $edi killed $edi def $rdi
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; CHECK-NEXT: leal (,%rdi,8), %ecx
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: shll $5, %eax
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; CHECK-NEXT: movl %edi, %edx
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; CHECK-NEXT: shll $7, %edx
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; CHECK-NEXT: orl %eax, %edx
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: shll $13, %eax
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; CHECK-NEXT: orl %edx, %eax
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; CHECK-NEXT: movl %edi, %edx
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; CHECK-NEXT: shll $19, %edx
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; CHECK-NEXT: orl %eax, %edx
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: shrl $2, %eax
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; CHECK-NEXT: orl %edx, %eax
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; CHECK-NEXT: movl %edi, %edx
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; CHECK-NEXT: shrl $15, %edx
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; CHECK-NEXT: orl %eax, %edx
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; CHECK-NEXT: movl %edi, %esi
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; CHECK-NEXT: shrl $23, %esi
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; CHECK-NEXT: orl %edx, %esi
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: shrl $25, %eax
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; CHECK-NEXT: orl %esi, %eax
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; CHECK-NEXT: shrl $30, %edi
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; CHECK-NEXT: orl %edi, %eax
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; CHECK-NEXT: orl %ecx, %eax
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; CHECK-NEXT: retq
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b0:
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%v0 = shl i32 %a0, 3
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%v1 = shl i32 %a0, 5
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%v2 = shl i32 %a0, 7 ; rotate
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%v3 = shl i32 %a0, 13
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%v4 = shl i32 %a0, 19
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%v5 = lshr i32 %a0, 2
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%v6 = lshr i32 %a0, 15
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%v7 = lshr i32 %a0, 23
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%v8 = lshr i32 %a0, 25 ; rotate
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%v9 = lshr i32 %a0, 30
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%v10 = or i32 %v0, %v1
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%v11 = or i32 %v10, %v2
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%v12 = or i32 %v11, %v3
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%v13 = or i32 %v12, %v4
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%v14 = or i32 %v13, %v5
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%v15 = or i32 %v14, %v6
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%v16 = or i32 %v15, %v7
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%v17 = or i32 %v16, %v8
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%v18 = or i32 %v17, %v9
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ret i32 %v18
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}
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attributes #0 = { readnone nounwind }
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