85 lines
2 KiB
LLVM
85 lines
2 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=aarch64-none-linux-gnu < %s -o -| FileCheck %s
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define i32 @lsr_bfi(i32 %a) {
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; CHECK-LABEL: lsr_bfi:
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; CHECK: // %bb.0:
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; CHECK-NEXT: lsr w8, w0, #20
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; CHECK-NEXT: bfi w0, w8, #4, #4
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; CHECK-NEXT: ret
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%and1 = and i32 %a, -241
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%1 = lshr i32 %a, 16
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%shl = and i32 %1, 240
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%or = or i32 %shl, %and1
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ret i32 %or
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}
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define i32 @negative_lsr_bfi0(i32 %a) {
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; CHECK-LABEL: negative_lsr_bfi0:
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; CHECK: // %bb.0:
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; CHECK-NEXT: and w0, w0, #0xffffff0f
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; CHECK-NEXT: ret
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%and1 = and i32 %a, -241
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%1 = lshr i32 %a, 28
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%shl = and i32 %1, 240
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%or = or i32 %shl, %and1
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ret i32 %or
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}
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define i32 @negative_lsr_bfi1(i32 %a) {
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; CHECK-LABEL: negative_lsr_bfi1:
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; CHECK: // %bb.0:
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; CHECK-NEXT: lsr w8, w0, #16
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; CHECK-NEXT: lsr w9, w8, #4
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; CHECK-NEXT: bfi w0, w9, #4, #4
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; CHECK-NEXT: add w0, w0, w8
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; CHECK-NEXT: ret
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%and1 = and i32 %a, -241
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%1 = lshr i32 %a, 16
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%shl = and i32 %1, 240
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%or = or i32 %shl, %and1
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%add = add i32 %or, %1
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ret i32 %add
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}
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define i64 @lsr_bfix(i64 %a) {
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; CHECK-LABEL: lsr_bfix:
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; CHECK: // %bb.0:
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; CHECK-NEXT: lsr x8, x0, #20
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; CHECK-NEXT: bfi x0, x8, #4, #4
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; CHECK-NEXT: ret
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%and1 = and i64 %a, -241
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%1 = lshr i64 %a, 16
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%shl = and i64 %1, 240
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%or = or i64 %shl, %and1
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ret i64 %or
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}
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define i64 @negative_lsr_bfix0(i64 %a) {
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; CHECK-LABEL: negative_lsr_bfix0:
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; CHECK: // %bb.0:
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; CHECK-NEXT: and x0, x0, #0xffffffffffffff0f
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; CHECK-NEXT: ret
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%and1 = and i64 %a, -241
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%1 = lshr i64 %a, 60
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%shl = and i64 %1, 240
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%or = or i64 %shl, %and1
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ret i64 %or
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}
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define i64 @negative_lsr_bfix1(i64 %a) {
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; CHECK-LABEL: negative_lsr_bfix1:
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; CHECK: // %bb.0:
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; CHECK-NEXT: lsr x8, x0, #16
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; CHECK-NEXT: lsr x9, x8, #4
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; CHECK-NEXT: bfi x0, x9, #4, #4
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; CHECK-NEXT: add x0, x0, x8
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; CHECK-NEXT: ret
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%and1 = and i64 %a, -241
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%1 = lshr i64 %a, 16
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%shl = and i64 %1, 240
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%or = or i64 %shl, %and1
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%add = add i64 %or, %1
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ret i64 %add
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}
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