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d7f173214f
I'm doing this in two phases for a better "git blame" record. This commit removes the previous AArch64 backend and redirects all functionality to ARM64. It also deduplicates test-lines and removes orphaned AArch64 tests. The next step will be "git mv ARM64 AArch64" and rewire most of the tests. Hopefully LLVM is still functional, though it would be even better if no-one ever had to care because the rename happens straight afterwards. llvm-svn: 209576
58 lines
1.5 KiB
LLVM
58 lines
1.5 KiB
LLVM
; RUN: llc -verify-machineinstrs -o - %s -mtriple=arm64-apple-ios7.0 | FileCheck %s
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define i64 @ror_i64(i64 %in) {
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; CHECK-LABEL: ror_i64:
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%left = shl i64 %in, 19
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%right = lshr i64 %in, 45
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%val5 = or i64 %left, %right
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; CHECK: ror {{x[0-9]+}}, x0, #45
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ret i64 %val5
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}
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define i32 @ror_i32(i32 %in) {
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; CHECK-LABEL: ror_i32:
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%left = shl i32 %in, 9
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%right = lshr i32 %in, 23
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%val5 = or i32 %left, %right
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; CHECK: ror {{w[0-9]+}}, w0, #23
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ret i32 %val5
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}
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define i32 @extr_i32(i32 %lhs, i32 %rhs) {
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; CHECK-LABEL: extr_i32:
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%left = shl i32 %lhs, 6
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%right = lshr i32 %rhs, 26
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%val = or i32 %left, %right
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; Order of lhs and rhs matters here. Regalloc would have to be very odd to use
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; something other than w0 and w1.
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; CHECK: extr {{w[0-9]+}}, w0, w1, #26
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ret i32 %val
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}
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define i64 @extr_i64(i64 %lhs, i64 %rhs) {
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; CHECK-LABEL: extr_i64:
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%right = lshr i64 %rhs, 40
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%left = shl i64 %lhs, 24
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%val = or i64 %right, %left
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; Order of lhs and rhs matters here. Regalloc would have to be very odd to use
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; something other than w0 and w1.
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; CHECK: extr {{x[0-9]+}}, x0, x1, #40
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ret i64 %val
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}
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; Regression test: a bad experimental pattern crept into git which optimised
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; this pattern to a single EXTR.
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define i32 @extr_regress(i32 %a, i32 %b) {
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; CHECK-LABEL: extr_regress:
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%sh1 = shl i32 %a, 14
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%sh2 = lshr i32 %b, 14
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%val = or i32 %sh2, %sh1
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; CHECK-NOT: extr {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, #{{[0-9]+}}
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ret i32 %val
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; CHECK: ret
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}
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