; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -verify-machineinstrs -mtriple=aarch64-- -O0 -fast-isel=0 -global-isel=false %s -o - | FileCheck %s -check-prefix=NOLSE ; RUN: llc -verify-machineinstrs -mtriple=aarch64-- -mattr=+lse -O0 -fast-isel=0 -global-isel=false %s -o - | FileCheck %s -check-prefix=LSE ; Ensure there's no stack spill in between ldxr/stxr pairs. define i8 @test_rmw_add_8(i8* %dst) { ; NOLSE-LABEL: test_rmw_add_8: ; NOLSE: // %bb.0: // %entry ; NOLSE-NEXT: sub sp, sp, #32 ; NOLSE-NEXT: .cfi_def_cfa_offset 32 ; NOLSE-NEXT: str x0, [sp, #16] // 8-byte Folded Spill ; NOLSE-NEXT: ldrb w8, [x0] ; NOLSE-NEXT: str w8, [sp, #28] // 4-byte Folded Spill ; NOLSE-NEXT: b .LBB0_1 ; NOLSE-NEXT: .LBB0_1: // %atomicrmw.start ; NOLSE-NEXT: // =>This Loop Header: Depth=1 ; NOLSE-NEXT: // Child Loop BB0_2 Depth 2 ; NOLSE-NEXT: ldr w9, [sp, #28] // 4-byte Folded Reload ; NOLSE-NEXT: ldr x11, [sp, #16] // 8-byte Folded Reload ; NOLSE-NEXT: add w12, w9, #1 ; NOLSE-NEXT: .LBB0_2: // %atomicrmw.start ; NOLSE-NEXT: // Parent Loop BB0_1 Depth=1 ; NOLSE-NEXT: // => This Inner Loop Header: Depth=2 ; NOLSE-NEXT: ldaxrb w8, [x11] ; NOLSE-NEXT: cmp w8, w9, uxtb ; NOLSE-NEXT: b.ne .LBB0_4 ; NOLSE-NEXT: // %bb.3: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB0_2 Depth=2 ; NOLSE-NEXT: stlxrb w10, w12, [x11] ; NOLSE-NEXT: cbnz w10, .LBB0_2 ; NOLSE-NEXT: .LBB0_4: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB0_1 Depth=1 ; NOLSE-NEXT: subs w9, w8, w9, uxtb ; NOLSE-NEXT: cset w9, eq ; NOLSE-NEXT: str w8, [sp, #12] // 4-byte Folded Spill ; NOLSE-NEXT: subs w9, w9, #1 ; NOLSE-NEXT: str w8, [sp, #28] // 4-byte Folded Spill ; NOLSE-NEXT: b.ne .LBB0_1 ; NOLSE-NEXT: b .LBB0_5 ; NOLSE-NEXT: .LBB0_5: // %atomicrmw.end ; NOLSE-NEXT: ldr w0, [sp, #12] // 4-byte Folded Reload ; NOLSE-NEXT: add sp, sp, #32 ; NOLSE-NEXT: ret ; ; LSE-LABEL: test_rmw_add_8: ; LSE: // %bb.0: // %entry ; LSE-NEXT: mov w8, #1 ; LSE-NEXT: ldaddalb w8, w0, [x0] ; LSE-NEXT: ret entry: %res = atomicrmw add i8* %dst, i8 1 seq_cst ret i8 %res } define i16 @test_rmw_add_16(i16* %dst) { ; NOLSE-LABEL: test_rmw_add_16: ; NOLSE: // %bb.0: // %entry ; NOLSE-NEXT: sub sp, sp, #32 ; NOLSE-NEXT: .cfi_def_cfa_offset 32 ; NOLSE-NEXT: str x0, [sp, #16] // 8-byte Folded Spill ; NOLSE-NEXT: ldrh w8, [x0] ; NOLSE-NEXT: str w8, [sp, #28] // 4-byte Folded Spill ; NOLSE-NEXT: b .LBB1_1 ; NOLSE-NEXT: .LBB1_1: // %atomicrmw.start ; NOLSE-NEXT: // =>This Loop Header: Depth=1 ; NOLSE-NEXT: // Child Loop BB1_2 Depth 2 ; NOLSE-NEXT: ldr w9, [sp, #28] // 4-byte Folded Reload ; NOLSE-NEXT: ldr x11, [sp, #16] // 8-byte Folded Reload ; NOLSE-NEXT: add w12, w9, #1 ; NOLSE-NEXT: .LBB1_2: // %atomicrmw.start ; NOLSE-NEXT: // Parent Loop BB1_1 Depth=1 ; NOLSE-NEXT: // => This Inner Loop Header: Depth=2 ; NOLSE-NEXT: ldaxrh w8, [x11] ; NOLSE-NEXT: cmp w8, w9, uxth ; NOLSE-NEXT: b.ne .LBB1_4 ; NOLSE-NEXT: // %bb.3: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB1_2 Depth=2 ; NOLSE-NEXT: stlxrh w10, w12, [x11] ; NOLSE-NEXT: cbnz w10, .LBB1_2 ; NOLSE-NEXT: .LBB1_4: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB1_1 Depth=1 ; NOLSE-NEXT: subs w9, w8, w9, uxth ; NOLSE-NEXT: cset w9, eq ; NOLSE-NEXT: str w8, [sp, #12] // 4-byte Folded Spill ; NOLSE-NEXT: subs w9, w9, #1 ; NOLSE-NEXT: str w8, [sp, #28] // 4-byte Folded Spill ; NOLSE-NEXT: b.ne .LBB1_1 ; NOLSE-NEXT: b .LBB1_5 ; NOLSE-NEXT: .LBB1_5: // %atomicrmw.end ; NOLSE-NEXT: ldr w0, [sp, #12] // 4-byte Folded Reload ; NOLSE-NEXT: add sp, sp, #32 ; NOLSE-NEXT: ret ; ; LSE-LABEL: test_rmw_add_16: ; LSE: // %bb.0: // %entry ; LSE-NEXT: mov w8, #1 ; LSE-NEXT: ldaddalh w8, w0, [x0] ; LSE-NEXT: ret entry: %res = atomicrmw add i16* %dst, i16 1 seq_cst ret i16 %res } define i32 @test_rmw_add_32(i32* %dst) { ; NOLSE-LABEL: test_rmw_add_32: ; NOLSE: // %bb.0: // %entry ; NOLSE-NEXT: sub sp, sp, #32 ; NOLSE-NEXT: .cfi_def_cfa_offset 32 ; NOLSE-NEXT: str x0, [sp, #16] // 8-byte Folded Spill ; NOLSE-NEXT: ldr w8, [x0] ; NOLSE-NEXT: str w8, [sp, #28] // 4-byte Folded Spill ; NOLSE-NEXT: b .LBB2_1 ; NOLSE-NEXT: .LBB2_1: // %atomicrmw.start ; NOLSE-NEXT: // =>This Loop Header: Depth=1 ; NOLSE-NEXT: // Child Loop BB2_2 Depth 2 ; NOLSE-NEXT: ldr w9, [sp, #28] // 4-byte Folded Reload ; NOLSE-NEXT: ldr x11, [sp, #16] // 8-byte Folded Reload ; NOLSE-NEXT: add w12, w9, #1 ; NOLSE-NEXT: .LBB2_2: // %atomicrmw.start ; NOLSE-NEXT: // Parent Loop BB2_1 Depth=1 ; NOLSE-NEXT: // => This Inner Loop Header: Depth=2 ; NOLSE-NEXT: ldaxr w8, [x11] ; NOLSE-NEXT: cmp w8, w9 ; NOLSE-NEXT: b.ne .LBB2_4 ; NOLSE-NEXT: // %bb.3: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB2_2 Depth=2 ; NOLSE-NEXT: stlxr w10, w12, [x11] ; NOLSE-NEXT: cbnz w10, .LBB2_2 ; NOLSE-NEXT: .LBB2_4: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB2_1 Depth=1 ; NOLSE-NEXT: subs w9, w8, w9 ; NOLSE-NEXT: cset w9, eq ; NOLSE-NEXT: str w8, [sp, #12] // 4-byte Folded Spill ; NOLSE-NEXT: subs w9, w9, #1 ; NOLSE-NEXT: str w8, [sp, #28] // 4-byte Folded Spill ; NOLSE-NEXT: b.ne .LBB2_1 ; NOLSE-NEXT: b .LBB2_5 ; NOLSE-NEXT: .LBB2_5: // %atomicrmw.end ; NOLSE-NEXT: ldr w0, [sp, #12] // 4-byte Folded Reload ; NOLSE-NEXT: add sp, sp, #32 ; NOLSE-NEXT: ret ; ; LSE-LABEL: test_rmw_add_32: ; LSE: // %bb.0: // %entry ; LSE-NEXT: mov w8, #1 ; LSE-NEXT: ldaddal w8, w0, [x0] ; LSE-NEXT: ret entry: %res = atomicrmw add i32* %dst, i32 1 seq_cst ret i32 %res } define i64 @test_rmw_add_64(i64* %dst) { ; NOLSE-LABEL: test_rmw_add_64: ; NOLSE: // %bb.0: // %entry ; NOLSE-NEXT: sub sp, sp, #32 ; NOLSE-NEXT: .cfi_def_cfa_offset 32 ; NOLSE-NEXT: str x0, [sp, #16] // 8-byte Folded Spill ; NOLSE-NEXT: ldr x8, [x0] ; NOLSE-NEXT: str x8, [sp, #24] // 8-byte Folded Spill ; NOLSE-NEXT: b .LBB3_1 ; NOLSE-NEXT: .LBB3_1: // %atomicrmw.start ; NOLSE-NEXT: // =>This Loop Header: Depth=1 ; NOLSE-NEXT: // Child Loop BB3_2 Depth 2 ; NOLSE-NEXT: ldr x9, [sp, #24] // 8-byte Folded Reload ; NOLSE-NEXT: ldr x11, [sp, #16] // 8-byte Folded Reload ; NOLSE-NEXT: add x12, x9, #1 ; NOLSE-NEXT: .LBB3_2: // %atomicrmw.start ; NOLSE-NEXT: // Parent Loop BB3_1 Depth=1 ; NOLSE-NEXT: // => This Inner Loop Header: Depth=2 ; NOLSE-NEXT: ldaxr x8, [x11] ; NOLSE-NEXT: cmp x8, x9 ; NOLSE-NEXT: b.ne .LBB3_4 ; NOLSE-NEXT: // %bb.3: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB3_2 Depth=2 ; NOLSE-NEXT: stlxr w10, x12, [x11] ; NOLSE-NEXT: cbnz w10, .LBB3_2 ; NOLSE-NEXT: .LBB3_4: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB3_1 Depth=1 ; NOLSE-NEXT: subs x9, x8, x9 ; NOLSE-NEXT: cset w9, eq ; NOLSE-NEXT: str x8, [sp, #8] // 8-byte Folded Spill ; NOLSE-NEXT: subs w9, w9, #1 ; NOLSE-NEXT: str x8, [sp, #24] // 8-byte Folded Spill ; NOLSE-NEXT: b.ne .LBB3_1 ; NOLSE-NEXT: b .LBB3_5 ; NOLSE-NEXT: .LBB3_5: // %atomicrmw.end ; NOLSE-NEXT: ldr x0, [sp, #8] // 8-byte Folded Reload ; NOLSE-NEXT: add sp, sp, #32 ; NOLSE-NEXT: ret ; ; LSE-LABEL: test_rmw_add_64: ; LSE: // %bb.0: // %entry ; LSE-NEXT: mov w8, #1 ; LSE-NEXT: // kill: def $x8 killed $w8 ; LSE-NEXT: ldaddal x8, x0, [x0] ; LSE-NEXT: ret entry: %res = atomicrmw add i64* %dst, i64 1 seq_cst ret i64 %res } define i128 @test_rmw_add_128(i128* %dst) { ; NOLSE-LABEL: test_rmw_add_128: ; NOLSE: // %bb.0: // %entry ; NOLSE-NEXT: sub sp, sp, #48 ; NOLSE-NEXT: .cfi_def_cfa_offset 48 ; NOLSE-NEXT: str x0, [sp, #24] // 8-byte Folded Spill ; NOLSE-NEXT: ldr x8, [x0, #8] ; NOLSE-NEXT: ldr x9, [x0] ; NOLSE-NEXT: str x9, [sp, #32] // 8-byte Folded Spill ; NOLSE-NEXT: str x8, [sp, #40] // 8-byte Folded Spill ; NOLSE-NEXT: b .LBB4_1 ; NOLSE-NEXT: .LBB4_1: // %atomicrmw.start ; NOLSE-NEXT: // =>This Loop Header: Depth=1 ; NOLSE-NEXT: // Child Loop BB4_2 Depth 2 ; NOLSE-NEXT: ldr x11, [sp, #40] // 8-byte Folded Reload ; NOLSE-NEXT: ldr x8, [sp, #32] // 8-byte Folded Reload ; NOLSE-NEXT: ldr x13, [sp, #24] // 8-byte Folded Reload ; NOLSE-NEXT: adds x14, x8, #1 ; NOLSE-NEXT: cinc x15, x11, hs ; NOLSE-NEXT: .LBB4_2: // %atomicrmw.start ; NOLSE-NEXT: // Parent Loop BB4_1 Depth=1 ; NOLSE-NEXT: // => This Inner Loop Header: Depth=2 ; NOLSE-NEXT: ldaxp x10, x9, [x13] ; NOLSE-NEXT: cmp x10, x8 ; NOLSE-NEXT: cset w12, ne ; NOLSE-NEXT: cmp x9, x11 ; NOLSE-NEXT: cinc w12, w12, ne ; NOLSE-NEXT: cbnz w12, .LBB4_4 ; NOLSE-NEXT: // %bb.3: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB4_2 Depth=2 ; NOLSE-NEXT: stlxp w12, x14, x15, [x13] ; NOLSE-NEXT: cbnz w12, .LBB4_2 ; NOLSE-NEXT: b .LBB4_5 ; NOLSE-NEXT: .LBB4_4: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB4_2 Depth=2 ; NOLSE-NEXT: stlxp w12, x10, x9, [x13] ; NOLSE-NEXT: cbnz w12, .LBB4_2 ; NOLSE-NEXT: .LBB4_5: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB4_1 Depth=1 ; NOLSE-NEXT: eor x11, x9, x11 ; NOLSE-NEXT: eor x8, x10, x8 ; NOLSE-NEXT: orr x8, x8, x11 ; NOLSE-NEXT: str x9, [sp, #8] // 8-byte Folded Spill ; NOLSE-NEXT: str x10, [sp, #16] // 8-byte Folded Spill ; NOLSE-NEXT: str x10, [sp, #32] // 8-byte Folded Spill ; NOLSE-NEXT: str x9, [sp, #40] // 8-byte Folded Spill ; NOLSE-NEXT: cbnz x8, .LBB4_1 ; NOLSE-NEXT: b .LBB4_6 ; NOLSE-NEXT: .LBB4_6: // %atomicrmw.end ; NOLSE-NEXT: ldr x1, [sp, #8] // 8-byte Folded Reload ; NOLSE-NEXT: ldr x0, [sp, #16] // 8-byte Folded Reload ; NOLSE-NEXT: add sp, sp, #48 ; NOLSE-NEXT: ret ; ; LSE-LABEL: test_rmw_add_128: ; LSE: // %bb.0: // %entry ; LSE-NEXT: sub sp, sp, #48 ; LSE-NEXT: .cfi_def_cfa_offset 48 ; LSE-NEXT: str x0, [sp, #24] // 8-byte Folded Spill ; LSE-NEXT: ldr x8, [x0, #8] ; LSE-NEXT: ldr x9, [x0] ; LSE-NEXT: str x9, [sp, #32] // 8-byte Folded Spill ; LSE-NEXT: str x8, [sp, #40] // 8-byte Folded Spill ; LSE-NEXT: b .LBB4_1 ; LSE-NEXT: .LBB4_1: // %atomicrmw.start ; LSE-NEXT: // =>This Inner Loop Header: Depth=1 ; LSE-NEXT: ldr x10, [sp, #40] // 8-byte Folded Reload ; LSE-NEXT: ldr x8, [sp, #32] // 8-byte Folded Reload ; LSE-NEXT: ldr x9, [sp, #24] // 8-byte Folded Reload ; LSE-NEXT: mov x0, x8 ; LSE-NEXT: mov x1, x10 ; LSE-NEXT: adds x2, x8, #1 ; LSE-NEXT: cinc x11, x10, hs ; LSE-NEXT: // kill: def $x2 killed $x2 def $x2_x3 ; LSE-NEXT: mov x3, x11 ; LSE-NEXT: caspal x0, x1, x2, x3, [x9] ; LSE-NEXT: mov x9, x1 ; LSE-NEXT: str x9, [sp, #8] // 8-byte Folded Spill ; LSE-NEXT: eor x11, x9, x10 ; LSE-NEXT: mov x10, x0 ; LSE-NEXT: str x10, [sp, #16] // 8-byte Folded Spill ; LSE-NEXT: eor x8, x10, x8 ; LSE-NEXT: orr x8, x8, x11 ; LSE-NEXT: str x10, [sp, #32] // 8-byte Folded Spill ; LSE-NEXT: str x9, [sp, #40] // 8-byte Folded Spill ; LSE-NEXT: cbnz x8, .LBB4_1 ; LSE-NEXT: b .LBB4_2 ; LSE-NEXT: .LBB4_2: // %atomicrmw.end ; LSE-NEXT: ldr x1, [sp, #8] // 8-byte Folded Reload ; LSE-NEXT: ldr x0, [sp, #16] // 8-byte Folded Reload ; LSE-NEXT: add sp, sp, #48 ; LSE-NEXT: ret entry: %res = atomicrmw add i128* %dst, i128 1 seq_cst ret i128 %res } define i8 @test_rmw_nand_8(i8* %dst) { ; NOLSE-LABEL: test_rmw_nand_8: ; NOLSE: // %bb.0: // %entry ; NOLSE-NEXT: sub sp, sp, #32 ; NOLSE-NEXT: .cfi_def_cfa_offset 32 ; NOLSE-NEXT: str x0, [sp, #16] // 8-byte Folded Spill ; NOLSE-NEXT: ldrb w8, [x0] ; NOLSE-NEXT: str w8, [sp, #28] // 4-byte Folded Spill ; NOLSE-NEXT: b .LBB5_1 ; NOLSE-NEXT: .LBB5_1: // %atomicrmw.start ; NOLSE-NEXT: // =>This Loop Header: Depth=1 ; NOLSE-NEXT: // Child Loop BB5_2 Depth 2 ; NOLSE-NEXT: ldr w9, [sp, #28] // 4-byte Folded Reload ; NOLSE-NEXT: ldr x11, [sp, #16] // 8-byte Folded Reload ; NOLSE-NEXT: mvn w8, w9 ; NOLSE-NEXT: orr w12, w8, #0xfffffffe ; NOLSE-NEXT: .LBB5_2: // %atomicrmw.start ; NOLSE-NEXT: // Parent Loop BB5_1 Depth=1 ; NOLSE-NEXT: // => This Inner Loop Header: Depth=2 ; NOLSE-NEXT: ldaxrb w8, [x11] ; NOLSE-NEXT: cmp w8, w9, uxtb ; NOLSE-NEXT: b.ne .LBB5_4 ; NOLSE-NEXT: // %bb.3: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB5_2 Depth=2 ; NOLSE-NEXT: stlxrb w10, w12, [x11] ; NOLSE-NEXT: cbnz w10, .LBB5_2 ; NOLSE-NEXT: .LBB5_4: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB5_1 Depth=1 ; NOLSE-NEXT: subs w9, w8, w9, uxtb ; NOLSE-NEXT: cset w9, eq ; NOLSE-NEXT: str w8, [sp, #12] // 4-byte Folded Spill ; NOLSE-NEXT: subs w9, w9, #1 ; NOLSE-NEXT: str w8, [sp, #28] // 4-byte Folded Spill ; NOLSE-NEXT: b.ne .LBB5_1 ; NOLSE-NEXT: b .LBB5_5 ; NOLSE-NEXT: .LBB5_5: // %atomicrmw.end ; NOLSE-NEXT: ldr w0, [sp, #12] // 4-byte Folded Reload ; NOLSE-NEXT: add sp, sp, #32 ; NOLSE-NEXT: ret ; ; LSE-LABEL: test_rmw_nand_8: ; LSE: // %bb.0: // %entry ; LSE-NEXT: sub sp, sp, #32 ; LSE-NEXT: .cfi_def_cfa_offset 32 ; LSE-NEXT: str x0, [sp, #16] // 8-byte Folded Spill ; LSE-NEXT: ldrb w8, [x0] ; LSE-NEXT: str w8, [sp, #28] // 4-byte Folded Spill ; LSE-NEXT: b .LBB5_1 ; LSE-NEXT: .LBB5_1: // %atomicrmw.start ; LSE-NEXT: // =>This Inner Loop Header: Depth=1 ; LSE-NEXT: ldr w9, [sp, #28] // 4-byte Folded Reload ; LSE-NEXT: ldr x11, [sp, #16] // 8-byte Folded Reload ; LSE-NEXT: mvn w8, w9 ; LSE-NEXT: orr w10, w8, #0xfffffffe ; LSE-NEXT: mov w8, w9 ; LSE-NEXT: casalb w8, w10, [x11] ; LSE-NEXT: subs w9, w8, w9, uxtb ; LSE-NEXT: cset w9, eq ; LSE-NEXT: str w8, [sp, #12] // 4-byte Folded Spill ; LSE-NEXT: subs w9, w9, #1 ; LSE-NEXT: str w8, [sp, #28] // 4-byte Folded Spill ; LSE-NEXT: b.ne .LBB5_1 ; LSE-NEXT: b .LBB5_2 ; LSE-NEXT: .LBB5_2: // %atomicrmw.end ; LSE-NEXT: ldr w0, [sp, #12] // 4-byte Folded Reload ; LSE-NEXT: add sp, sp, #32 ; LSE-NEXT: ret entry: %res = atomicrmw nand i8* %dst, i8 1 seq_cst ret i8 %res } define i16 @test_rmw_nand_16(i16* %dst) { ; NOLSE-LABEL: test_rmw_nand_16: ; NOLSE: // %bb.0: // %entry ; NOLSE-NEXT: sub sp, sp, #32 ; NOLSE-NEXT: .cfi_def_cfa_offset 32 ; NOLSE-NEXT: str x0, [sp, #16] // 8-byte Folded Spill ; NOLSE-NEXT: ldrh w8, [x0] ; NOLSE-NEXT: str w8, [sp, #28] // 4-byte Folded Spill ; NOLSE-NEXT: b .LBB6_1 ; NOLSE-NEXT: .LBB6_1: // %atomicrmw.start ; NOLSE-NEXT: // =>This Loop Header: Depth=1 ; NOLSE-NEXT: // Child Loop BB6_2 Depth 2 ; NOLSE-NEXT: ldr w9, [sp, #28] // 4-byte Folded Reload ; NOLSE-NEXT: ldr x11, [sp, #16] // 8-byte Folded Reload ; NOLSE-NEXT: mvn w8, w9 ; NOLSE-NEXT: orr w12, w8, #0xfffffffe ; NOLSE-NEXT: .LBB6_2: // %atomicrmw.start ; NOLSE-NEXT: // Parent Loop BB6_1 Depth=1 ; NOLSE-NEXT: // => This Inner Loop Header: Depth=2 ; NOLSE-NEXT: ldaxrh w8, [x11] ; NOLSE-NEXT: cmp w8, w9, uxth ; NOLSE-NEXT: b.ne .LBB6_4 ; NOLSE-NEXT: // %bb.3: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB6_2 Depth=2 ; NOLSE-NEXT: stlxrh w10, w12, [x11] ; NOLSE-NEXT: cbnz w10, .LBB6_2 ; NOLSE-NEXT: .LBB6_4: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB6_1 Depth=1 ; NOLSE-NEXT: subs w9, w8, w9, uxth ; NOLSE-NEXT: cset w9, eq ; NOLSE-NEXT: str w8, [sp, #12] // 4-byte Folded Spill ; NOLSE-NEXT: subs w9, w9, #1 ; NOLSE-NEXT: str w8, [sp, #28] // 4-byte Folded Spill ; NOLSE-NEXT: b.ne .LBB6_1 ; NOLSE-NEXT: b .LBB6_5 ; NOLSE-NEXT: .LBB6_5: // %atomicrmw.end ; NOLSE-NEXT: ldr w0, [sp, #12] // 4-byte Folded Reload ; NOLSE-NEXT: add sp, sp, #32 ; NOLSE-NEXT: ret ; ; LSE-LABEL: test_rmw_nand_16: ; LSE: // %bb.0: // %entry ; LSE-NEXT: sub sp, sp, #32 ; LSE-NEXT: .cfi_def_cfa_offset 32 ; LSE-NEXT: str x0, [sp, #16] // 8-byte Folded Spill ; LSE-NEXT: ldrh w8, [x0] ; LSE-NEXT: str w8, [sp, #28] // 4-byte Folded Spill ; LSE-NEXT: b .LBB6_1 ; LSE-NEXT: .LBB6_1: // %atomicrmw.start ; LSE-NEXT: // =>This Inner Loop Header: Depth=1 ; LSE-NEXT: ldr w9, [sp, #28] // 4-byte Folded Reload ; LSE-NEXT: ldr x11, [sp, #16] // 8-byte Folded Reload ; LSE-NEXT: mvn w8, w9 ; LSE-NEXT: orr w10, w8, #0xfffffffe ; LSE-NEXT: mov w8, w9 ; LSE-NEXT: casalh w8, w10, [x11] ; LSE-NEXT: subs w9, w8, w9, uxth ; LSE-NEXT: cset w9, eq ; LSE-NEXT: str w8, [sp, #12] // 4-byte Folded Spill ; LSE-NEXT: subs w9, w9, #1 ; LSE-NEXT: str w8, [sp, #28] // 4-byte Folded Spill ; LSE-NEXT: b.ne .LBB6_1 ; LSE-NEXT: b .LBB6_2 ; LSE-NEXT: .LBB6_2: // %atomicrmw.end ; LSE-NEXT: ldr w0, [sp, #12] // 4-byte Folded Reload ; LSE-NEXT: add sp, sp, #32 ; LSE-NEXT: ret entry: %res = atomicrmw nand i16* %dst, i16 1 seq_cst ret i16 %res } define i32 @test_rmw_nand_32(i32* %dst) { ; NOLSE-LABEL: test_rmw_nand_32: ; NOLSE: // %bb.0: // %entry ; NOLSE-NEXT: sub sp, sp, #32 ; NOLSE-NEXT: .cfi_def_cfa_offset 32 ; NOLSE-NEXT: str x0, [sp, #16] // 8-byte Folded Spill ; NOLSE-NEXT: ldr w8, [x0] ; NOLSE-NEXT: str w8, [sp, #28] // 4-byte Folded Spill ; NOLSE-NEXT: b .LBB7_1 ; NOLSE-NEXT: .LBB7_1: // %atomicrmw.start ; NOLSE-NEXT: // =>This Loop Header: Depth=1 ; NOLSE-NEXT: // Child Loop BB7_2 Depth 2 ; NOLSE-NEXT: ldr w9, [sp, #28] // 4-byte Folded Reload ; NOLSE-NEXT: ldr x11, [sp, #16] // 8-byte Folded Reload ; NOLSE-NEXT: mvn w8, w9 ; NOLSE-NEXT: orr w12, w8, #0xfffffffe ; NOLSE-NEXT: .LBB7_2: // %atomicrmw.start ; NOLSE-NEXT: // Parent Loop BB7_1 Depth=1 ; NOLSE-NEXT: // => This Inner Loop Header: Depth=2 ; NOLSE-NEXT: ldaxr w8, [x11] ; NOLSE-NEXT: cmp w8, w9 ; NOLSE-NEXT: b.ne .LBB7_4 ; NOLSE-NEXT: // %bb.3: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB7_2 Depth=2 ; NOLSE-NEXT: stlxr w10, w12, [x11] ; NOLSE-NEXT: cbnz w10, .LBB7_2 ; NOLSE-NEXT: .LBB7_4: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB7_1 Depth=1 ; NOLSE-NEXT: subs w9, w8, w9 ; NOLSE-NEXT: cset w9, eq ; NOLSE-NEXT: str w8, [sp, #12] // 4-byte Folded Spill ; NOLSE-NEXT: subs w9, w9, #1 ; NOLSE-NEXT: str w8, [sp, #28] // 4-byte Folded Spill ; NOLSE-NEXT: b.ne .LBB7_1 ; NOLSE-NEXT: b .LBB7_5 ; NOLSE-NEXT: .LBB7_5: // %atomicrmw.end ; NOLSE-NEXT: ldr w0, [sp, #12] // 4-byte Folded Reload ; NOLSE-NEXT: add sp, sp, #32 ; NOLSE-NEXT: ret ; ; LSE-LABEL: test_rmw_nand_32: ; LSE: // %bb.0: // %entry ; LSE-NEXT: sub sp, sp, #32 ; LSE-NEXT: .cfi_def_cfa_offset 32 ; LSE-NEXT: str x0, [sp, #16] // 8-byte Folded Spill ; LSE-NEXT: ldr w8, [x0] ; LSE-NEXT: str w8, [sp, #28] // 4-byte Folded Spill ; LSE-NEXT: b .LBB7_1 ; LSE-NEXT: .LBB7_1: // %atomicrmw.start ; LSE-NEXT: // =>This Inner Loop Header: Depth=1 ; LSE-NEXT: ldr w9, [sp, #28] // 4-byte Folded Reload ; LSE-NEXT: ldr x11, [sp, #16] // 8-byte Folded Reload ; LSE-NEXT: mvn w8, w9 ; LSE-NEXT: orr w10, w8, #0xfffffffe ; LSE-NEXT: mov w8, w9 ; LSE-NEXT: casal w8, w10, [x11] ; LSE-NEXT: subs w9, w8, w9 ; LSE-NEXT: cset w9, eq ; LSE-NEXT: str w8, [sp, #12] // 4-byte Folded Spill ; LSE-NEXT: subs w9, w9, #1 ; LSE-NEXT: str w8, [sp, #28] // 4-byte Folded Spill ; LSE-NEXT: b.ne .LBB7_1 ; LSE-NEXT: b .LBB7_2 ; LSE-NEXT: .LBB7_2: // %atomicrmw.end ; LSE-NEXT: ldr w0, [sp, #12] // 4-byte Folded Reload ; LSE-NEXT: add sp, sp, #32 ; LSE-NEXT: ret entry: %res = atomicrmw nand i32* %dst, i32 1 seq_cst ret i32 %res } define i64 @test_rmw_nand_64(i64* %dst) { ; NOLSE-LABEL: test_rmw_nand_64: ; NOLSE: // %bb.0: // %entry ; NOLSE-NEXT: sub sp, sp, #32 ; NOLSE-NEXT: .cfi_def_cfa_offset 32 ; NOLSE-NEXT: str x0, [sp, #16] // 8-byte Folded Spill ; NOLSE-NEXT: ldr x8, [x0] ; NOLSE-NEXT: str x8, [sp, #24] // 8-byte Folded Spill ; NOLSE-NEXT: b .LBB8_1 ; NOLSE-NEXT: .LBB8_1: // %atomicrmw.start ; NOLSE-NEXT: // =>This Loop Header: Depth=1 ; NOLSE-NEXT: // Child Loop BB8_2 Depth 2 ; NOLSE-NEXT: ldr x9, [sp, #24] // 8-byte Folded Reload ; NOLSE-NEXT: ldr x11, [sp, #16] // 8-byte Folded Reload ; NOLSE-NEXT: mov w8, w9 ; NOLSE-NEXT: mvn w10, w8 ; NOLSE-NEXT: // implicit-def: $x8 ; NOLSE-NEXT: mov w8, w10 ; NOLSE-NEXT: orr x12, x8, #0xfffffffffffffffe ; NOLSE-NEXT: .LBB8_2: // %atomicrmw.start ; NOLSE-NEXT: // Parent Loop BB8_1 Depth=1 ; NOLSE-NEXT: // => This Inner Loop Header: Depth=2 ; NOLSE-NEXT: ldaxr x8, [x11] ; NOLSE-NEXT: cmp x8, x9 ; NOLSE-NEXT: b.ne .LBB8_4 ; NOLSE-NEXT: // %bb.3: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB8_2 Depth=2 ; NOLSE-NEXT: stlxr w10, x12, [x11] ; NOLSE-NEXT: cbnz w10, .LBB8_2 ; NOLSE-NEXT: .LBB8_4: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB8_1 Depth=1 ; NOLSE-NEXT: subs x9, x8, x9 ; NOLSE-NEXT: cset w9, eq ; NOLSE-NEXT: str x8, [sp, #8] // 8-byte Folded Spill ; NOLSE-NEXT: subs w9, w9, #1 ; NOLSE-NEXT: str x8, [sp, #24] // 8-byte Folded Spill ; NOLSE-NEXT: b.ne .LBB8_1 ; NOLSE-NEXT: b .LBB8_5 ; NOLSE-NEXT: .LBB8_5: // %atomicrmw.end ; NOLSE-NEXT: ldr x0, [sp, #8] // 8-byte Folded Reload ; NOLSE-NEXT: add sp, sp, #32 ; NOLSE-NEXT: ret ; ; LSE-LABEL: test_rmw_nand_64: ; LSE: // %bb.0: // %entry ; LSE-NEXT: sub sp, sp, #32 ; LSE-NEXT: .cfi_def_cfa_offset 32 ; LSE-NEXT: str x0, [sp, #16] // 8-byte Folded Spill ; LSE-NEXT: ldr x8, [x0] ; LSE-NEXT: str x8, [sp, #24] // 8-byte Folded Spill ; LSE-NEXT: b .LBB8_1 ; LSE-NEXT: .LBB8_1: // %atomicrmw.start ; LSE-NEXT: // =>This Inner Loop Header: Depth=1 ; LSE-NEXT: ldr x9, [sp, #24] // 8-byte Folded Reload ; LSE-NEXT: ldr x11, [sp, #16] // 8-byte Folded Reload ; LSE-NEXT: mov w8, w9 ; LSE-NEXT: mvn w10, w8 ; LSE-NEXT: // implicit-def: $x8 ; LSE-NEXT: mov w8, w10 ; LSE-NEXT: orr x10, x8, #0xfffffffffffffffe ; LSE-NEXT: mov x8, x9 ; LSE-NEXT: casal x8, x10, [x11] ; LSE-NEXT: subs x9, x8, x9 ; LSE-NEXT: cset w9, eq ; LSE-NEXT: str x8, [sp, #8] // 8-byte Folded Spill ; LSE-NEXT: subs w9, w9, #1 ; LSE-NEXT: str x8, [sp, #24] // 8-byte Folded Spill ; LSE-NEXT: b.ne .LBB8_1 ; LSE-NEXT: b .LBB8_2 ; LSE-NEXT: .LBB8_2: // %atomicrmw.end ; LSE-NEXT: ldr x0, [sp, #8] // 8-byte Folded Reload ; LSE-NEXT: add sp, sp, #32 ; LSE-NEXT: ret entry: %res = atomicrmw nand i64* %dst, i64 1 seq_cst ret i64 %res } define i128 @test_rmw_nand_128(i128* %dst) { ; NOLSE-LABEL: test_rmw_nand_128: ; NOLSE: // %bb.0: // %entry ; NOLSE-NEXT: sub sp, sp, #48 ; NOLSE-NEXT: .cfi_def_cfa_offset 48 ; NOLSE-NEXT: str x0, [sp, #24] // 8-byte Folded Spill ; NOLSE-NEXT: ldr x8, [x0, #8] ; NOLSE-NEXT: ldr x9, [x0] ; NOLSE-NEXT: str x9, [sp, #32] // 8-byte Folded Spill ; NOLSE-NEXT: str x8, [sp, #40] // 8-byte Folded Spill ; NOLSE-NEXT: b .LBB9_1 ; NOLSE-NEXT: .LBB9_1: // %atomicrmw.start ; NOLSE-NEXT: // =>This Loop Header: Depth=1 ; NOLSE-NEXT: // Child Loop BB9_2 Depth 2 ; NOLSE-NEXT: ldr x11, [sp, #40] // 8-byte Folded Reload ; NOLSE-NEXT: ldr x8, [sp, #32] // 8-byte Folded Reload ; NOLSE-NEXT: ldr x13, [sp, #24] // 8-byte Folded Reload ; NOLSE-NEXT: mov w9, w8 ; NOLSE-NEXT: mvn w10, w9 ; NOLSE-NEXT: // implicit-def: $x9 ; NOLSE-NEXT: mov w9, w10 ; NOLSE-NEXT: orr x14, x9, #0xfffffffffffffffe ; NOLSE-NEXT: mov x15, #-1 ; NOLSE-NEXT: .LBB9_2: // %atomicrmw.start ; NOLSE-NEXT: // Parent Loop BB9_1 Depth=1 ; NOLSE-NEXT: // => This Inner Loop Header: Depth=2 ; NOLSE-NEXT: ldaxp x10, x9, [x13] ; NOLSE-NEXT: cmp x10, x8 ; NOLSE-NEXT: cset w12, ne ; NOLSE-NEXT: cmp x9, x11 ; NOLSE-NEXT: cinc w12, w12, ne ; NOLSE-NEXT: cbnz w12, .LBB9_4 ; NOLSE-NEXT: // %bb.3: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB9_2 Depth=2 ; NOLSE-NEXT: stlxp w12, x14, x15, [x13] ; NOLSE-NEXT: cbnz w12, .LBB9_2 ; NOLSE-NEXT: b .LBB9_5 ; NOLSE-NEXT: .LBB9_4: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB9_2 Depth=2 ; NOLSE-NEXT: stlxp w12, x10, x9, [x13] ; NOLSE-NEXT: cbnz w12, .LBB9_2 ; NOLSE-NEXT: .LBB9_5: // %atomicrmw.start ; NOLSE-NEXT: // in Loop: Header=BB9_1 Depth=1 ; NOLSE-NEXT: eor x11, x9, x11 ; NOLSE-NEXT: eor x8, x10, x8 ; NOLSE-NEXT: orr x8, x8, x11 ; NOLSE-NEXT: str x9, [sp, #8] // 8-byte Folded Spill ; NOLSE-NEXT: str x10, [sp, #16] // 8-byte Folded Spill ; NOLSE-NEXT: str x10, [sp, #32] // 8-byte Folded Spill ; NOLSE-NEXT: str x9, [sp, #40] // 8-byte Folded Spill ; NOLSE-NEXT: cbnz x8, .LBB9_1 ; NOLSE-NEXT: b .LBB9_6 ; NOLSE-NEXT: .LBB9_6: // %atomicrmw.end ; NOLSE-NEXT: ldr x1, [sp, #8] // 8-byte Folded Reload ; NOLSE-NEXT: ldr x0, [sp, #16] // 8-byte Folded Reload ; NOLSE-NEXT: add sp, sp, #48 ; NOLSE-NEXT: ret ; ; LSE-LABEL: test_rmw_nand_128: ; LSE: // %bb.0: // %entry ; LSE-NEXT: sub sp, sp, #48 ; LSE-NEXT: .cfi_def_cfa_offset 48 ; LSE-NEXT: str x0, [sp, #24] // 8-byte Folded Spill ; LSE-NEXT: ldr x8, [x0, #8] ; LSE-NEXT: ldr x9, [x0] ; LSE-NEXT: str x9, [sp, #32] // 8-byte Folded Spill ; LSE-NEXT: str x8, [sp, #40] // 8-byte Folded Spill ; LSE-NEXT: b .LBB9_1 ; LSE-NEXT: .LBB9_1: // %atomicrmw.start ; LSE-NEXT: // =>This Inner Loop Header: Depth=1 ; LSE-NEXT: ldr x10, [sp, #40] // 8-byte Folded Reload ; LSE-NEXT: ldr x8, [sp, #32] // 8-byte Folded Reload ; LSE-NEXT: ldr x9, [sp, #24] // 8-byte Folded Reload ; LSE-NEXT: mov x0, x8 ; LSE-NEXT: mov x1, x10 ; LSE-NEXT: mov w11, w8 ; LSE-NEXT: mvn w12, w11 ; LSE-NEXT: // implicit-def: $x11 ; LSE-NEXT: mov w11, w12 ; LSE-NEXT: orr x2, x11, #0xfffffffffffffffe ; LSE-NEXT: mov x11, #-1 ; LSE-NEXT: // kill: def $x2 killed $x2 def $x2_x3 ; LSE-NEXT: mov x3, x11 ; LSE-NEXT: caspal x0, x1, x2, x3, [x9] ; LSE-NEXT: mov x9, x1 ; LSE-NEXT: str x9, [sp, #8] // 8-byte Folded Spill ; LSE-NEXT: eor x11, x9, x10 ; LSE-NEXT: mov x10, x0 ; LSE-NEXT: str x10, [sp, #16] // 8-byte Folded Spill ; LSE-NEXT: eor x8, x10, x8 ; LSE-NEXT: orr x8, x8, x11 ; LSE-NEXT: str x10, [sp, #32] // 8-byte Folded Spill ; LSE-NEXT: str x9, [sp, #40] // 8-byte Folded Spill ; LSE-NEXT: cbnz x8, .LBB9_1 ; LSE-NEXT: b .LBB9_2 ; LSE-NEXT: .LBB9_2: // %atomicrmw.end ; LSE-NEXT: ldr x1, [sp, #8] // 8-byte Folded Reload ; LSE-NEXT: ldr x0, [sp, #16] // 8-byte Folded Reload ; LSE-NEXT: add sp, sp, #48 ; LSE-NEXT: ret entry: %res = atomicrmw nand i128* %dst, i128 1 seq_cst ret i128 %res }