derek.holloway
7502bf64a4
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135 lines
3.7 KiB
LLVM
135 lines
3.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc %s -o - | FileCheck %s
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; RUN: llc -combiner-disabled %s -o - | FileCheck %s
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target triple = "aarch64-unknown-linux-gnu"
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; Verify lowering code in isolation to ensure we can lower shifts that would
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; normally be optimised away.
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define i32 @fshl_i32_by_zero(i32 %unused, i32 %a, i32 %b) {
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; CHECK-LABEL: fshl_i32_by_zero:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mov w0, w1
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; CHECK-NEXT: ret
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%r = call i32 @llvm.fshl.i32(i32 %a, i32 %b, i32 0)
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ret i32 %r
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}
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define i32 @fshl_i32_by_half_srclen(i32 %unused, i32 %a, i32 %b) {
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; CHECK-LABEL: fshl_i32_by_half_srclen:
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; CHECK: // %bb.0:
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; CHECK-NEXT: extr w0, w1, w2, #16
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; CHECK-NEXT: ret
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%r = call i32 @llvm.fshl.i32(i32 %a, i32 %b, i32 16)
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ret i32 %r
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}
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define i32 @fshl_i32_by_srclen(i32 %unused, i32 %a, i32 %b) {
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; CHECK-LABEL: fshl_i32_by_srclen:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mov w0, w1
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; CHECK-NEXT: ret
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%r = call i32 @llvm.fshl.i32(i32 %a, i32 %b, i32 32)
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ret i32 %r
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}
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define i32 @fshl_i32_by_srclen_plus1(i32 %unused, i32 %a, i32 %b) {
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; CHECK-LABEL: fshl_i32_by_srclen_plus1:
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; CHECK: // %bb.0:
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; CHECK-NEXT: extr w0, w1, w2, #31
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; CHECK-NEXT: ret
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%r = call i32 @llvm.fshl.i32(i32 %a, i32 %b, i32 33)
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ret i32 %r
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}
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define i64 @fshl_i64_by_zero(i64 %unused, i64 %a, i64 %b) {
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; CHECK-LABEL: fshl_i64_by_zero:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mov x0, x1
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; CHECK-NEXT: ret
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%r = call i64 @llvm.fshl.i64(i64 %a, i64 %b, i64 0)
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ret i64 %r
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}
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define i64 @fshl_i64_by_srclen(i64 %unused, i64 %a, i64 %b) {
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; CHECK-LABEL: fshl_i64_by_srclen:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mov x0, x1
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; CHECK-NEXT: ret
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%r = call i64 @llvm.fshl.i64(i64 %a, i64 %b, i64 64)
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ret i64 %r
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}
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define i64 @fshl_i64_by_srclen_plus1(i64 %unused, i64 %a, i64 %b) {
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; CHECK-LABEL: fshl_i64_by_srclen_plus1:
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; CHECK: // %bb.0:
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; CHECK-NEXT: extr x0, x1, x2, #63
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; CHECK-NEXT: ret
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%r = call i64 @llvm.fshl.i64(i64 %a, i64 %b, i64 65)
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ret i64 %r
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}
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define i32 @fshr_i32_by_zero(i32 %unused, i32 %a, i32 %b) {
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; CHECK-LABEL: fshr_i32_by_zero:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mov w0, w2
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; CHECK-NEXT: ret
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%r = call i32 @llvm.fshr.i32(i32 %a, i32 %b, i32 0)
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ret i32 %r
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}
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define i32 @fshr_i32_by_srclen(i32 %unused, i32 %a, i32 %b) {
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; CHECK-LABEL: fshr_i32_by_srclen:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mov w0, w2
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; CHECK-NEXT: ret
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%r = call i32 @llvm.fshr.i32(i32 %a, i32 %b, i32 32)
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ret i32 %r
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}
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define i32 @fshr_i32_by_half_srclen(i32 %unused, i32 %a, i32 %b) {
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; CHECK-LABEL: fshr_i32_by_half_srclen:
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; CHECK: // %bb.0:
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; CHECK-NEXT: extr w0, w1, w2, #16
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; CHECK-NEXT: ret
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%r = call i32 @llvm.fshr.i32(i32 %a, i32 %b, i32 16)
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ret i32 %r
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}
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define i32 @fshr_i32_by_srclen_plus1(i32 %unused, i32 %a, i32 %b) {
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; CHECK-LABEL: fshr_i32_by_srclen_plus1:
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; CHECK: // %bb.0:
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; CHECK-NEXT: extr w0, w1, w2, #1
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; CHECK-NEXT: ret
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%r = call i32 @llvm.fshr.i32(i32 %a, i32 %b, i32 33)
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ret i32 %r
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}
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define i64 @fshr_i64_by_zero(i64 %unused, i64 %a, i64 %b) {
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; CHECK-LABEL: fshr_i64_by_zero:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mov x0, x2
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; CHECK-NEXT: ret
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%r = call i64 @llvm.fshr.i64(i64 %a, i64 %b, i64 0)
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ret i64 %r
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}
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define i64 @fshr_i64_by_srclen(i64 %unused, i64 %a, i64 %b) {
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; CHECK-LABEL: fshr_i64_by_srclen:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mov x0, x2
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; CHECK-NEXT: ret
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%r = call i64 @llvm.fshr.i64(i64 %a, i64 %b, i64 64)
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ret i64 %r
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}
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define i64 @fshr_i64_by_srclen_plus1(i64 %unused, i64 %a, i64 %b) {
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; CHECK-LABEL: fshr_i64_by_srclen_plus1:
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; CHECK: // %bb.0:
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; CHECK-NEXT: extr x0, x1, x2, #1
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; CHECK-NEXT: ret
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%r = call i64 @llvm.fshr.i64(i64 %a, i64 %b, i64 65)
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ret i64 %r
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}
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