Sander de Smalen 61510b51c3 Revert "[AArch64] Enable subreg liveness tracking by default."
This reverts commit 9c319d5bb40785c969d2af76535ca62448dfafa7.

Some issues were discovered with the bootstrap builds, which
seem like they were caused by this commit. I'm reverting to investigate.
2024-12-12 17:22:15 +00:00

211 lines
5.3 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=arm64-eabi | FileCheck %s --check-prefixes=CHECK,CHECK-SD
; RUN: llc < %s -mtriple=arm64-eabi -global-isel | FileCheck %s --check-prefixes=CHECK,CHECK-GI
; rdar://9296808
; rdar://9349137
define i128 @t1(i64 %a, i64 %b) nounwind readnone ssp {
; CHECK-LABEL: t1:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mul x8, x0, x1
; CHECK-NEXT: umulh x1, x0, x1
; CHECK-NEXT: mov x0, x8
; CHECK-NEXT: ret
entry:
%tmp1 = zext i64 %a to i128
%tmp2 = zext i64 %b to i128
%tmp3 = mul i128 %tmp1, %tmp2
ret i128 %tmp3
}
define i128 @t2(i64 %a, i64 %b) nounwind readnone ssp {
; CHECK-SD-LABEL: t2:
; CHECK-SD: // %bb.0: // %entry
; CHECK-SD-NEXT: mul x8, x0, x1
; CHECK-SD-NEXT: smulh x1, x0, x1
; CHECK-SD-NEXT: mov x0, x8
; CHECK-SD-NEXT: ret
;
; CHECK-GI-LABEL: t2:
; CHECK-GI: // %bb.0: // %entry
; CHECK-GI-NEXT: asr x9, x1, #63
; CHECK-GI-NEXT: asr x10, x0, #63
; CHECK-GI-NEXT: mul x8, x0, x1
; CHECK-GI-NEXT: mul x9, x0, x9
; CHECK-GI-NEXT: umulh x11, x0, x1
; CHECK-GI-NEXT: mov x0, x8
; CHECK-GI-NEXT: madd x9, x10, x1, x9
; CHECK-GI-NEXT: add x1, x9, x11
; CHECK-GI-NEXT: ret
entry:
%tmp1 = sext i64 %a to i128
%tmp2 = sext i64 %b to i128
%tmp3 = mul i128 %tmp1, %tmp2
ret i128 %tmp3
}
define i64 @t3(i32 %a, i32 %b) nounwind {
; CHECK-LABEL: t3:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: umull x0, w0, w1
; CHECK-NEXT: ret
entry:
%tmp1 = zext i32 %a to i64
%tmp2 = zext i32 %b to i64
%tmp3 = mul i64 %tmp1, %tmp2
ret i64 %tmp3
}
define i64 @t4(i32 %a, i32 %b) nounwind {
; CHECK-LABEL: t4:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: smull x0, w0, w1
; CHECK-NEXT: ret
entry:
%tmp1 = sext i32 %a to i64
%tmp2 = sext i32 %b to i64
%tmp3 = mul i64 %tmp1, %tmp2
ret i64 %tmp3
}
define i64 @t5(i32 %a, i32 %b, i64 %c) nounwind {
; CHECK-LABEL: t5:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: umaddl x0, w0, w1, x2
; CHECK-NEXT: ret
entry:
%tmp1 = zext i32 %a to i64
%tmp2 = zext i32 %b to i64
%tmp3 = mul i64 %tmp1, %tmp2
%tmp4 = add i64 %c, %tmp3
ret i64 %tmp4
}
define i64 @t6(i32 %a, i32 %b, i64 %c) nounwind {
; CHECK-LABEL: t6:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: smsubl x0, w0, w1, x2
; CHECK-NEXT: ret
entry:
%tmp1 = sext i32 %a to i64
%tmp2 = sext i32 %b to i64
%tmp3 = mul i64 %tmp1, %tmp2
%tmp4 = sub i64 %c, %tmp3
ret i64 %tmp4
}
define i64 @t7(i32 %a, i32 %b) nounwind {
; CHECK-LABEL: t7:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: umnegl x0, w0, w1
; CHECK-NEXT: ret
entry:
%tmp1 = zext i32 %a to i64
%tmp2 = zext i32 %b to i64
%tmp3 = mul i64 %tmp1, %tmp2
%tmp4 = sub i64 0, %tmp3
ret i64 %tmp4
}
define i64 @t8(i32 %a, i32 %b) nounwind {
; CHECK-LABEL: t8:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: smnegl x0, w0, w1
; CHECK-NEXT: ret
entry:
%tmp1 = sext i32 %a to i64
%tmp2 = sext i32 %b to i64
%tmp3 = mul i64 %tmp1, %tmp2
%tmp4 = sub i64 0, %tmp3
ret i64 %tmp4
}
define i64 @t9(i32 %a) nounwind {
; CHECK-LABEL: t9:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mov w8, #8896 // =0x22c0
; CHECK-NEXT: movk w8, #2, lsl #16
; CHECK-NEXT: umull x0, w0, w8
; CHECK-NEXT: ret
entry:
%tmp1 = zext i32 %a to i64
%tmp2 = mul i64 %tmp1, 139968
ret i64 %tmp2
}
; Check 64-bit multiplication is used for constants > 32 bits.
define i64 @t10(i32 %a) nounwind {
; CHECK-LABEL: t10:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: // kill: def $w0 killed $w0 def $x0
; CHECK-NEXT: sxtw x8, w0
; CHECK-NEXT: mov w9, #2 // =0x2
; CHECK-NEXT: movk w9, #32768, lsl #16
; CHECK-NEXT: mul x0, x8, x9
; CHECK-NEXT: ret
entry:
%tmp1 = sext i32 %a to i64
%tmp2 = mul i64 %tmp1, 2147483650 ; = 2^31 + 2
ret i64 %tmp2
}
; Check the sext_inreg case.
define i64 @t11(i64 %a) nounwind {
; CHECK-LABEL: t11:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mov w8, #29594 // =0x739a
; CHECK-NEXT: movk w8, #65499, lsl #16
; CHECK-NEXT: smnegl x0, w0, w8
; CHECK-NEXT: ret
entry:
%tmp1 = trunc i64 %a to i32
%tmp2 = sext i32 %tmp1 to i64
%tmp3 = mul i64 %tmp2, -2395238
%tmp4 = sub i64 0, %tmp3
ret i64 %tmp4
}
define i64 @t12(i64 %a, i64 %b) nounwind {
; CHECK-LABEL: t12:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mov w8, #35118 // =0x892e
; CHECK-NEXT: movk w8, #65008, lsl #16
; CHECK-NEXT: smaddl x0, w0, w8, x1
; CHECK-NEXT: ret
entry:
%tmp1 = trunc i64 %a to i32
%tmp2 = sext i32 %tmp1 to i64
%tmp3 = mul i64 %tmp2, -34567890
%tmp4 = add i64 %b, %tmp3
ret i64 %tmp4
}
define i64 @t13(i32 %a, i64 %b) nounwind {
; CHECK-LABEL: t13:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mov w8, #24910 // =0x614e
; CHECK-NEXT: movk w8, #188, lsl #16
; CHECK-NEXT: umsubl x0, w0, w8, x1
; CHECK-NEXT: ret
entry:
%tmp1 = zext i32 %a to i64
%tmp3 = mul i64 %tmp1, 12345678
%tmp4 = sub i64 %b, %tmp3
ret i64 %tmp4
}
define i64 @t14(i32 %a, i64 %b) nounwind {
; CHECK-LABEL: t14:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mov w8, #40626 // =0x9eb2
; CHECK-NEXT: movk w8, #65347, lsl #16
; CHECK-NEXT: smsubl x0, w0, w8, x1
; CHECK-NEXT: ret
entry:
%tmp1 = sext i32 %a to i64
%tmp3 = mul i64 %tmp1, -12345678
%tmp4 = sub i64 %b, %tmp3
ret i64 %tmp4
}