| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=powerpc64-unknown-linux-gnu < %s | FileCheck %s |
| |
| define i8 @atomicrmw_uinc_wrap_i8(ptr %ptr, i8 %val) { |
| ; CHECK-LABEL: atomicrmw_uinc_wrap_i8: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: sync |
| ; CHECK-NEXT: mr 5, 3 |
| ; CHECK-NEXT: rlwinm 7, 5, 3, 27, 28 |
| ; CHECK-NEXT: lbz 3, 0(3) |
| ; CHECK-NEXT: xori 7, 7, 24 |
| ; CHECK-NEXT: li 8, 255 |
| ; CHECK-NEXT: li 6, 0 |
| ; CHECK-NEXT: clrlwi 4, 4, 24 |
| ; CHECK-NEXT: rldicr 5, 5, 0, 61 |
| ; CHECK-NEXT: slw 8, 8, 7 |
| ; CHECK-NEXT: b .LBB0_2 |
| ; CHECK-NEXT: .LBB0_1: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: srw 3, 11, 7 |
| ; CHECK-NEXT: cmplw 3, 9 |
| ; CHECK-NEXT: beq 0, .LBB0_8 |
| ; CHECK-NEXT: .LBB0_2: # %atomicrmw.start |
| ; CHECK-NEXT: # =>This Loop Header: Depth=1 |
| ; CHECK-NEXT: # Child Loop BB0_6 Depth 2 |
| ; CHECK-NEXT: clrlwi 9, 3, 24 |
| ; CHECK-NEXT: addi 10, 3, 1 |
| ; CHECK-NEXT: cmplw 9, 4 |
| ; CHECK-NEXT: bc 12, 0, .LBB0_4 |
| ; CHECK-NEXT: # %bb.3: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: ori 3, 6, 0 |
| ; CHECK-NEXT: b .LBB0_5 |
| ; CHECK-NEXT: .LBB0_4: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: addi 3, 10, 0 |
| ; CHECK-NEXT: .LBB0_5: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: slw 11, 9, 7 |
| ; CHECK-NEXT: slw 3, 3, 7 |
| ; CHECK-NEXT: and 3, 3, 8 |
| ; CHECK-NEXT: and 10, 11, 8 |
| ; CHECK-NEXT: .LBB0_6: # %atomicrmw.start |
| ; CHECK-NEXT: # Parent Loop BB0_2 Depth=1 |
| ; CHECK-NEXT: # => This Inner Loop Header: Depth=2 |
| ; CHECK-NEXT: lwarx 12, 0, 5 |
| ; CHECK-NEXT: and 11, 12, 8 |
| ; CHECK-NEXT: cmpw 11, 10 |
| ; CHECK-NEXT: bne 0, .LBB0_1 |
| ; CHECK-NEXT: # %bb.7: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: andc 12, 12, 8 |
| ; CHECK-NEXT: or 12, 12, 3 |
| ; CHECK-NEXT: stwcx. 12, 0, 5 |
| ; CHECK-NEXT: bne 0, .LBB0_6 |
| ; CHECK-NEXT: b .LBB0_1 |
| ; CHECK-NEXT: .LBB0_8: # %atomicrmw.end |
| ; CHECK-NEXT: lwsync |
| ; CHECK-NEXT: blr |
| %result = atomicrmw uinc_wrap ptr %ptr, i8 %val seq_cst |
| ret i8 %result |
| } |
| |
| define i16 @atomicrmw_uinc_wrap_i16(ptr %ptr, i16 %val) { |
| ; CHECK-LABEL: atomicrmw_uinc_wrap_i16: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: sync |
| ; CHECK-NEXT: mr 5, 3 |
| ; CHECK-NEXT: li 6, 0 |
| ; CHECK-NEXT: lhz 3, 0(3) |
| ; CHECK-NEXT: rlwinm 7, 5, 3, 27, 27 |
| ; CHECK-NEXT: xori 7, 7, 16 |
| ; CHECK-NEXT: ori 8, 6, 65535 |
| ; CHECK-NEXT: clrlwi 4, 4, 16 |
| ; CHECK-NEXT: rldicr 5, 5, 0, 61 |
| ; CHECK-NEXT: slw 8, 8, 7 |
| ; CHECK-NEXT: b .LBB1_2 |
| ; CHECK-NEXT: .LBB1_1: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: srw 3, 11, 7 |
| ; CHECK-NEXT: cmplw 3, 9 |
| ; CHECK-NEXT: beq 0, .LBB1_8 |
| ; CHECK-NEXT: .LBB1_2: # %atomicrmw.start |
| ; CHECK-NEXT: # =>This Loop Header: Depth=1 |
| ; CHECK-NEXT: # Child Loop BB1_6 Depth 2 |
| ; CHECK-NEXT: clrlwi 9, 3, 16 |
| ; CHECK-NEXT: addi 10, 3, 1 |
| ; CHECK-NEXT: cmplw 9, 4 |
| ; CHECK-NEXT: bc 12, 0, .LBB1_4 |
| ; CHECK-NEXT: # %bb.3: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: ori 3, 6, 0 |
| ; CHECK-NEXT: b .LBB1_5 |
| ; CHECK-NEXT: .LBB1_4: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: addi 3, 10, 0 |
| ; CHECK-NEXT: .LBB1_5: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: slw 11, 9, 7 |
| ; CHECK-NEXT: slw 3, 3, 7 |
| ; CHECK-NEXT: and 3, 3, 8 |
| ; CHECK-NEXT: and 10, 11, 8 |
| ; CHECK-NEXT: .LBB1_6: # %atomicrmw.start |
| ; CHECK-NEXT: # Parent Loop BB1_2 Depth=1 |
| ; CHECK-NEXT: # => This Inner Loop Header: Depth=2 |
| ; CHECK-NEXT: lwarx 12, 0, 5 |
| ; CHECK-NEXT: and 11, 12, 8 |
| ; CHECK-NEXT: cmpw 11, 10 |
| ; CHECK-NEXT: bne 0, .LBB1_1 |
| ; CHECK-NEXT: # %bb.7: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: andc 12, 12, 8 |
| ; CHECK-NEXT: or 12, 12, 3 |
| ; CHECK-NEXT: stwcx. 12, 0, 5 |
| ; CHECK-NEXT: bne 0, .LBB1_6 |
| ; CHECK-NEXT: b .LBB1_1 |
| ; CHECK-NEXT: .LBB1_8: # %atomicrmw.end |
| ; CHECK-NEXT: lwsync |
| ; CHECK-NEXT: blr |
| %result = atomicrmw uinc_wrap ptr %ptr, i16 %val seq_cst |
| ret i16 %result |
| } |
| |
| define i32 @atomicrmw_uinc_wrap_i32(ptr %ptr, i32 %val) { |
| ; CHECK-LABEL: atomicrmw_uinc_wrap_i32: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: sync |
| ; CHECK-NEXT: li 6, 0 |
| ; CHECK-NEXT: lwz 5, 0(3) |
| ; CHECK-NEXT: b .LBB2_2 |
| ; CHECK-NEXT: .LBB2_1: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: cmplw 5, 7 |
| ; CHECK-NEXT: beq 0, .LBB2_7 |
| ; CHECK-NEXT: .LBB2_2: # %atomicrmw.start |
| ; CHECK-NEXT: # =>This Loop Header: Depth=1 |
| ; CHECK-NEXT: # Child Loop BB2_5 Depth 2 |
| ; CHECK-NEXT: mr 7, 5 |
| ; CHECK-NEXT: addi 5, 5, 1 |
| ; CHECK-NEXT: cmplw 7, 4 |
| ; CHECK-NEXT: bc 12, 0, .LBB2_4 |
| ; CHECK-NEXT: # %bb.3: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: ori 8, 6, 0 |
| ; CHECK-NEXT: b .LBB2_5 |
| ; CHECK-NEXT: .LBB2_4: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: addi 8, 5, 0 |
| ; CHECK-NEXT: .LBB2_5: # %atomicrmw.start |
| ; CHECK-NEXT: # Parent Loop BB2_2 Depth=1 |
| ; CHECK-NEXT: # => This Inner Loop Header: Depth=2 |
| ; CHECK-NEXT: lwarx 5, 0, 3 |
| ; CHECK-NEXT: cmpw 5, 7 |
| ; CHECK-NEXT: bne 0, .LBB2_1 |
| ; CHECK-NEXT: # %bb.6: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: stwcx. 8, 0, 3 |
| ; CHECK-NEXT: bne 0, .LBB2_5 |
| ; CHECK-NEXT: b .LBB2_1 |
| ; CHECK-NEXT: .LBB2_7: # %atomicrmw.end |
| ; CHECK-NEXT: mr 3, 5 |
| ; CHECK-NEXT: lwsync |
| ; CHECK-NEXT: blr |
| %result = atomicrmw uinc_wrap ptr %ptr, i32 %val seq_cst |
| ret i32 %result |
| } |
| |
| define i64 @atomicrmw_uinc_wrap_i64(ptr %ptr, i64 %val) { |
| ; CHECK-LABEL: atomicrmw_uinc_wrap_i64: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: sync |
| ; CHECK-NEXT: ld 5, 0(3) |
| ; CHECK-NEXT: li 6, 0 |
| ; CHECK-NEXT: b .LBB3_2 |
| ; CHECK-NEXT: .LBB3_1: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: cmpld 5, 7 |
| ; CHECK-NEXT: beq 0, .LBB3_7 |
| ; CHECK-NEXT: .LBB3_2: # %atomicrmw.start |
| ; CHECK-NEXT: # =>This Loop Header: Depth=1 |
| ; CHECK-NEXT: # Child Loop BB3_5 Depth 2 |
| ; CHECK-NEXT: mr 7, 5 |
| ; CHECK-NEXT: addi 5, 5, 1 |
| ; CHECK-NEXT: cmpld 7, 4 |
| ; CHECK-NEXT: bc 12, 0, .LBB3_4 |
| ; CHECK-NEXT: # %bb.3: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: ori 8, 6, 0 |
| ; CHECK-NEXT: b .LBB3_5 |
| ; CHECK-NEXT: .LBB3_4: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: addi 8, 5, 0 |
| ; CHECK-NEXT: .LBB3_5: # %atomicrmw.start |
| ; CHECK-NEXT: # Parent Loop BB3_2 Depth=1 |
| ; CHECK-NEXT: # => This Inner Loop Header: Depth=2 |
| ; CHECK-NEXT: ldarx 5, 0, 3 |
| ; CHECK-NEXT: cmpd 5, 7 |
| ; CHECK-NEXT: bne 0, .LBB3_1 |
| ; CHECK-NEXT: # %bb.6: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: stdcx. 8, 0, 3 |
| ; CHECK-NEXT: bne 0, .LBB3_5 |
| ; CHECK-NEXT: b .LBB3_1 |
| ; CHECK-NEXT: .LBB3_7: # %atomicrmw.end |
| ; CHECK-NEXT: mr 3, 5 |
| ; CHECK-NEXT: lwsync |
| ; CHECK-NEXT: blr |
| %result = atomicrmw uinc_wrap ptr %ptr, i64 %val seq_cst |
| ret i64 %result |
| } |
| |
| define i8 @atomicrmw_udec_wrap_i8(ptr %ptr, i8 %val) { |
| ; CHECK-LABEL: atomicrmw_udec_wrap_i8: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: sync |
| ; CHECK-NEXT: mr 5, 3 |
| ; CHECK-NEXT: rlwinm 7, 5, 3, 27, 28 |
| ; CHECK-NEXT: lbz 3, 0(3) |
| ; CHECK-NEXT: xori 7, 7, 24 |
| ; CHECK-NEXT: li 8, 255 |
| ; CHECK-NEXT: clrlwi 6, 4, 24 |
| ; CHECK-NEXT: rldicr 5, 5, 0, 61 |
| ; CHECK-NEXT: slw 8, 8, 7 |
| ; CHECK-NEXT: b .LBB4_2 |
| ; CHECK-NEXT: .LBB4_1: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: srw 3, 11, 7 |
| ; CHECK-NEXT: cmplw 3, 9 |
| ; CHECK-NEXT: beq 0, .LBB4_8 |
| ; CHECK-NEXT: .LBB4_2: # %atomicrmw.start |
| ; CHECK-NEXT: # =>This Loop Header: Depth=1 |
| ; CHECK-NEXT: # Child Loop BB4_6 Depth 2 |
| ; CHECK-NEXT: andi. 9, 3, 255 |
| ; CHECK-NEXT: cmplw 1, 9, 6 |
| ; CHECK-NEXT: addi 10, 3, -1 |
| ; CHECK-NEXT: cror 20, 2, 5 |
| ; CHECK-NEXT: bc 12, 20, .LBB4_4 |
| ; CHECK-NEXT: # %bb.3: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: ori 3, 10, 0 |
| ; CHECK-NEXT: b .LBB4_5 |
| ; CHECK-NEXT: .LBB4_4: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: addi 3, 4, 0 |
| ; CHECK-NEXT: .LBB4_5: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: slw 11, 9, 7 |
| ; CHECK-NEXT: slw 3, 3, 7 |
| ; CHECK-NEXT: and 3, 3, 8 |
| ; CHECK-NEXT: and 10, 11, 8 |
| ; CHECK-NEXT: .LBB4_6: # %atomicrmw.start |
| ; CHECK-NEXT: # Parent Loop BB4_2 Depth=1 |
| ; CHECK-NEXT: # => This Inner Loop Header: Depth=2 |
| ; CHECK-NEXT: lwarx 12, 0, 5 |
| ; CHECK-NEXT: and 11, 12, 8 |
| ; CHECK-NEXT: cmpw 11, 10 |
| ; CHECK-NEXT: bne 0, .LBB4_1 |
| ; CHECK-NEXT: # %bb.7: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: andc 12, 12, 8 |
| ; CHECK-NEXT: or 12, 12, 3 |
| ; CHECK-NEXT: stwcx. 12, 0, 5 |
| ; CHECK-NEXT: bne 0, .LBB4_6 |
| ; CHECK-NEXT: b .LBB4_1 |
| ; CHECK-NEXT: .LBB4_8: # %atomicrmw.end |
| ; CHECK-NEXT: lwsync |
| ; CHECK-NEXT: blr |
| %result = atomicrmw udec_wrap ptr %ptr, i8 %val seq_cst |
| ret i8 %result |
| } |
| |
| define i16 @atomicrmw_udec_wrap_i16(ptr %ptr, i16 %val) { |
| ; CHECK-LABEL: atomicrmw_udec_wrap_i16: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: sync |
| ; CHECK-NEXT: mr 5, 3 |
| ; CHECK-NEXT: li 8, 0 |
| ; CHECK-NEXT: lhz 3, 0(3) |
| ; CHECK-NEXT: rlwinm 7, 5, 3, 27, 27 |
| ; CHECK-NEXT: xori 7, 7, 16 |
| ; CHECK-NEXT: ori 8, 8, 65535 |
| ; CHECK-NEXT: clrlwi 6, 4, 16 |
| ; CHECK-NEXT: rldicr 5, 5, 0, 61 |
| ; CHECK-NEXT: slw 8, 8, 7 |
| ; CHECK-NEXT: b .LBB5_2 |
| ; CHECK-NEXT: .LBB5_1: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: srw 3, 11, 7 |
| ; CHECK-NEXT: cmplw 3, 9 |
| ; CHECK-NEXT: beq 0, .LBB5_8 |
| ; CHECK-NEXT: .LBB5_2: # %atomicrmw.start |
| ; CHECK-NEXT: # =>This Loop Header: Depth=1 |
| ; CHECK-NEXT: # Child Loop BB5_6 Depth 2 |
| ; CHECK-NEXT: andi. 9, 3, 65535 |
| ; CHECK-NEXT: cmplw 1, 9, 6 |
| ; CHECK-NEXT: addi 10, 3, -1 |
| ; CHECK-NEXT: cror 20, 2, 5 |
| ; CHECK-NEXT: bc 12, 20, .LBB5_4 |
| ; CHECK-NEXT: # %bb.3: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: ori 3, 10, 0 |
| ; CHECK-NEXT: b .LBB5_5 |
| ; CHECK-NEXT: .LBB5_4: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: addi 3, 4, 0 |
| ; CHECK-NEXT: .LBB5_5: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: slw 11, 9, 7 |
| ; CHECK-NEXT: slw 3, 3, 7 |
| ; CHECK-NEXT: and 3, 3, 8 |
| ; CHECK-NEXT: and 10, 11, 8 |
| ; CHECK-NEXT: .LBB5_6: # %atomicrmw.start |
| ; CHECK-NEXT: # Parent Loop BB5_2 Depth=1 |
| ; CHECK-NEXT: # => This Inner Loop Header: Depth=2 |
| ; CHECK-NEXT: lwarx 12, 0, 5 |
| ; CHECK-NEXT: and 11, 12, 8 |
| ; CHECK-NEXT: cmpw 11, 10 |
| ; CHECK-NEXT: bne 0, .LBB5_1 |
| ; CHECK-NEXT: # %bb.7: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: andc 12, 12, 8 |
| ; CHECK-NEXT: or 12, 12, 3 |
| ; CHECK-NEXT: stwcx. 12, 0, 5 |
| ; CHECK-NEXT: bne 0, .LBB5_6 |
| ; CHECK-NEXT: b .LBB5_1 |
| ; CHECK-NEXT: .LBB5_8: # %atomicrmw.end |
| ; CHECK-NEXT: lwsync |
| ; CHECK-NEXT: blr |
| %result = atomicrmw udec_wrap ptr %ptr, i16 %val seq_cst |
| ret i16 %result |
| } |
| |
| define i32 @atomicrmw_udec_wrap_i32(ptr %ptr, i32 %val) { |
| ; CHECK-LABEL: atomicrmw_udec_wrap_i32: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: sync |
| ; CHECK-NEXT: lwz 5, 0(3) |
| ; CHECK-NEXT: b .LBB6_2 |
| ; CHECK-NEXT: .LBB6_1: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: cmplw 5, 6 |
| ; CHECK-NEXT: beq 0, .LBB6_7 |
| ; CHECK-NEXT: .LBB6_2: # %atomicrmw.start |
| ; CHECK-NEXT: # =>This Loop Header: Depth=1 |
| ; CHECK-NEXT: # Child Loop BB6_5 Depth 2 |
| ; CHECK-NEXT: mr 6, 5 |
| ; CHECK-NEXT: cmpwi 6, 0 |
| ; CHECK-NEXT: cmplw 1, 6, 4 |
| ; CHECK-NEXT: addi 5, 5, -1 |
| ; CHECK-NEXT: cror 20, 2, 5 |
| ; CHECK-NEXT: bc 12, 20, .LBB6_4 |
| ; CHECK-NEXT: # %bb.3: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: ori 7, 5, 0 |
| ; CHECK-NEXT: b .LBB6_5 |
| ; CHECK-NEXT: .LBB6_4: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: addi 7, 4, 0 |
| ; CHECK-NEXT: .LBB6_5: # %atomicrmw.start |
| ; CHECK-NEXT: # Parent Loop BB6_2 Depth=1 |
| ; CHECK-NEXT: # => This Inner Loop Header: Depth=2 |
| ; CHECK-NEXT: lwarx 5, 0, 3 |
| ; CHECK-NEXT: cmpw 5, 6 |
| ; CHECK-NEXT: bne 0, .LBB6_1 |
| ; CHECK-NEXT: # %bb.6: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: stwcx. 7, 0, 3 |
| ; CHECK-NEXT: bne 0, .LBB6_5 |
| ; CHECK-NEXT: b .LBB6_1 |
| ; CHECK-NEXT: .LBB6_7: # %atomicrmw.end |
| ; CHECK-NEXT: mr 3, 5 |
| ; CHECK-NEXT: lwsync |
| ; CHECK-NEXT: blr |
| %result = atomicrmw udec_wrap ptr %ptr, i32 %val seq_cst |
| ret i32 %result |
| } |
| |
| define i64 @atomicrmw_udec_wrap_i64(ptr %ptr, i64 %val) { |
| ; CHECK-LABEL: atomicrmw_udec_wrap_i64: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: sync |
| ; CHECK-NEXT: ld 5, 0(3) |
| ; CHECK-NEXT: b .LBB7_2 |
| ; CHECK-NEXT: .LBB7_1: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: cmpld 5, 6 |
| ; CHECK-NEXT: beq 0, .LBB7_7 |
| ; CHECK-NEXT: .LBB7_2: # %atomicrmw.start |
| ; CHECK-NEXT: # =>This Loop Header: Depth=1 |
| ; CHECK-NEXT: # Child Loop BB7_5 Depth 2 |
| ; CHECK-NEXT: mr. 6, 5 |
| ; CHECK-NEXT: cmpld 1, 6, 4 |
| ; CHECK-NEXT: addi 5, 5, -1 |
| ; CHECK-NEXT: cror 20, 2, 5 |
| ; CHECK-NEXT: bc 12, 20, .LBB7_4 |
| ; CHECK-NEXT: # %bb.3: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: ori 7, 5, 0 |
| ; CHECK-NEXT: b .LBB7_5 |
| ; CHECK-NEXT: .LBB7_4: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: addi 7, 4, 0 |
| ; CHECK-NEXT: .LBB7_5: # %atomicrmw.start |
| ; CHECK-NEXT: # Parent Loop BB7_2 Depth=1 |
| ; CHECK-NEXT: # => This Inner Loop Header: Depth=2 |
| ; CHECK-NEXT: ldarx 5, 0, 3 |
| ; CHECK-NEXT: cmpd 5, 6 |
| ; CHECK-NEXT: bne 0, .LBB7_1 |
| ; CHECK-NEXT: # %bb.6: # %atomicrmw.start |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: stdcx. 7, 0, 3 |
| ; CHECK-NEXT: bne 0, .LBB7_5 |
| ; CHECK-NEXT: b .LBB7_1 |
| ; CHECK-NEXT: .LBB7_7: # %atomicrmw.end |
| ; CHECK-NEXT: mr 3, 5 |
| ; CHECK-NEXT: lwsync |
| ; CHECK-NEXT: blr |
| %result = atomicrmw udec_wrap ptr %ptr, i64 %val seq_cst |
| ret i64 %result |
| } |