; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; Test 32-bit atomic minimum and maximum. Here we match the z10 versions,
; which can't use LOCR.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
; Todo: If-converter no longer producing CondReturns (with AtomicExpand pass).
; Check signed minimum.
define i32 @f1(i32 %dummy, ptr %src, i32 %b) {
; CHECK-LABEL: f1:
; CHECK: # %bb.0:
; CHECK-NEXT: l %r2, 0(%r3)
; CHECK-NEXT: j .LBB0_2
; CHECK-NEXT: .LBB0_1: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: cs %r2, %r0, 0(%r3)
; CHECK-NEXT: je .LBB0_4
; CHECK-NEXT: .LBB0_2: # %atomicrmw.start
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: lr %r0, %r2
; CHECK-NEXT: crjle %r2, %r4, .LBB0_1
; CHECK-NEXT: # %bb.3: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: lr %r0, %r4
; CHECK-NEXT: j .LBB0_1
; CHECK-NEXT: .LBB0_4: # %atomicrmw.end
; CHECK-NEXT: br %r14
%res = atomicrmw min ptr %src, i32 %b seq_cst
ret i32 %res
}
; Check signed maximum.
define i32 @f2(i32 %dummy, ptr %src, i32 %b) {
; CHECK-LABEL: f2:
; CHECK: # %bb.0:
; CHECK-NEXT: l %r2, 0(%r3)
; CHECK-NEXT: j .LBB1_2
; CHECK-NEXT: .LBB1_1: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB1_2 Depth=1
; CHECK-NEXT: cs %r2, %r0, 0(%r3)
; CHECK-NEXT: je .LBB1_4
; CHECK-NEXT: .LBB1_2: # %atomicrmw.start
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: lr %r0, %r2
; CHECK-NEXT: crjh %r2, %r4, .LBB1_1
; CHECK-NEXT: # %bb.3: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB1_2 Depth=1
; CHECK-NEXT: lr %r0, %r4
; CHECK-NEXT: j .LBB1_1
; CHECK-NEXT: .LBB1_4: # %atomicrmw.end
; CHECK-NEXT: br %r14
%res = atomicrmw max ptr %src, i32 %b seq_cst
ret i32 %res
}
; Check unsigned minimum.
define i32 @f3(i32 %dummy, ptr %src, i32 %b) {
; CHECK-LABEL: f3:
; CHECK: # %bb.0:
; CHECK-NEXT: l %r2, 0(%r3)
; CHECK-NEXT: j .LBB2_2
; CHECK-NEXT: .LBB2_1: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB2_2 Depth=1
; CHECK-NEXT: cs %r2, %r0, 0(%r3)
; CHECK-NEXT: je .LBB2_4
; CHECK-NEXT: .LBB2_2: # %atomicrmw.start
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: lr %r0, %r2
; CHECK-NEXT: clrjle %r2, %r4, .LBB2_1
; CHECK-NEXT: # %bb.3: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB2_2 Depth=1
; CHECK-NEXT: lr %r0, %r4
; CHECK-NEXT: j .LBB2_1
; CHECK-NEXT: .LBB2_4: # %atomicrmw.end
; CHECK-NEXT: br %r14
%res = atomicrmw umin ptr %src, i32 %b seq_cst
ret i32 %res
}
; Check unsigned maximum.
define i32 @f4(i32 %dummy, ptr %src, i32 %b) {
; CHECK-LABEL: f4:
; CHECK: # %bb.0:
; CHECK-NEXT: l %r2, 0(%r3)
; CHECK-NEXT: j .LBB3_2
; CHECK-NEXT: .LBB3_1: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB3_2 Depth=1
; CHECK-NEXT: cs %r2, %r0, 0(%r3)
; CHECK-NEXT: je .LBB3_4
; CHECK-NEXT: .LBB3_2: # %atomicrmw.start
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: lr %r0, %r2
; CHECK-NEXT: clrjh %r2, %r4, .LBB3_1
; CHECK-NEXT: # %bb.3: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB3_2 Depth=1
; CHECK-NEXT: lr %r0, %r4
; CHECK-NEXT: j .LBB3_1
; CHECK-NEXT: .LBB3_4: # %atomicrmw.end
; CHECK-NEXT: br %r14
%res = atomicrmw umax ptr %src, i32 %b seq_cst
ret i32 %res
}
; Check the high end of the aligned CS range.
define i32 @f5(i32 %dummy, ptr %src, i32 %b) {
; CHECK-LABEL: f5:
; CHECK: # %bb.0:
; CHECK-NEXT: l %r2, 4092(%r3)
; CHECK-NEXT: j .LBB4_2
; CHECK-NEXT: .LBB4_1: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB4_2 Depth=1
; CHECK-NEXT: cs %r2, %r0, 4092(%r3)
; CHECK-NEXT: je .LBB4_4
; CHECK-NEXT: .LBB4_2: # %atomicrmw.start
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: lr %r0, %r2
; CHECK-NEXT: crjle %r2, %r4, .LBB4_1
; CHECK-NEXT: # %bb.3: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB4_2 Depth=1
; CHECK-NEXT: lr %r0, %r4
; CHECK-NEXT: j .LBB4_1
; CHECK-NEXT: .LBB4_4: # %atomicrmw.end
; CHECK-NEXT: br %r14
%ptr = getelementptr i32, ptr %src, i64 1023
%res = atomicrmw min ptr %ptr, i32 %b seq_cst
ret i32 %res
}
; Check the next word up, which requires CSY.
define i32 @f6(i32 %dummy, ptr %src, i32 %b) {
; CHECK-LABEL: f6:
; CHECK: # %bb.0:
; CHECK-NEXT: ly %r2, 4096(%r3)
; CHECK-NEXT: j .LBB5_2
; CHECK-NEXT: .LBB5_1: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB5_2 Depth=1
; CHECK-NEXT: csy %r2, %r0, 4096(%r3)
; CHECK-NEXT: je .LBB5_4
; CHECK-NEXT: .LBB5_2: # %atomicrmw.start
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: lr %r0, %r2
; CHECK-NEXT: crjle %r2, %r4, .LBB5_1
; CHECK-NEXT: # %bb.3: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB5_2 Depth=1
; CHECK-NEXT: lr %r0, %r4
; CHECK-NEXT: j .LBB5_1
; CHECK-NEXT: .LBB5_4: # %atomicrmw.end
; CHECK-NEXT: br %r14
%ptr = getelementptr i32, ptr %src, i64 1024
%res = atomicrmw min ptr %ptr, i32 %b seq_cst
ret i32 %res
}
; Check the high end of the aligned CSY range.
define i32 @f7(i32 %dummy, ptr %src, i32 %b) {
; CHECK-LABEL: f7:
; CHECK: # %bb.0:
; CHECK-NEXT: ly %r2, 524284(%r3)
; CHECK-NEXT: j .LBB6_2
; CHECK-NEXT: .LBB6_1: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB6_2 Depth=1
; CHECK-NEXT: csy %r2, %r0, 524284(%r3)
; CHECK-NEXT: je .LBB6_4
; CHECK-NEXT: .LBB6_2: # %atomicrmw.start
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: lr %r0, %r2
; CHECK-NEXT: crjle %r2, %r4, .LBB6_1
; CHECK-NEXT: # %bb.3: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB6_2 Depth=1
; CHECK-NEXT: lr %r0, %r4
; CHECK-NEXT: j .LBB6_1
; CHECK-NEXT: .LBB6_4: # %atomicrmw.end
; CHECK-NEXT: br %r14
%ptr = getelementptr i32, ptr %src, i64 131071
%res = atomicrmw min ptr %ptr, i32 %b seq_cst
ret i32 %res
}
; Check the next word up, which needs separate address logic.
define i32 @f8(i32 %dummy, ptr %src, i32 %b) {
; CHECK-LABEL: f8:
; CHECK: # %bb.0:
; CHECK-NEXT: agfi %r3, 524288
; CHECK-NEXT: l %r2, 0(%r3)
; CHECK-NEXT: j .LBB7_2
; CHECK-NEXT: .LBB7_1: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB7_2 Depth=1
; CHECK-NEXT: cs %r2, %r0, 0(%r3)
; CHECK-NEXT: je .LBB7_4
; CHECK-NEXT: .LBB7_2: # %atomicrmw.start
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: lr %r0, %r2
; CHECK-NEXT: crjle %r2, %r4, .LBB7_1
; CHECK-NEXT: # %bb.3: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB7_2 Depth=1
; CHECK-NEXT: lr %r0, %r4
; CHECK-NEXT: j .LBB7_1
; CHECK-NEXT: .LBB7_4: # %atomicrmw.end
; CHECK-NEXT: br %r14
%ptr = getelementptr i32, ptr %src, i64 131072
%res = atomicrmw min ptr %ptr, i32 %b seq_cst
ret i32 %res
}
; Check the high end of the negative aligned CSY range.
define i32 @f9(i32 %dummy, ptr %src, i32 %b) {
; CHECK-LABEL: f9:
; CHECK: # %bb.0:
; CHECK-NEXT: ly %r2, -4(%r3)
; CHECK-NEXT: j .LBB8_2
; CHECK-NEXT: .LBB8_1: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB8_2 Depth=1
; CHECK-NEXT: csy %r2, %r0, -4(%r3)
; CHECK-NEXT: je .LBB8_4
; CHECK-NEXT: .LBB8_2: # %atomicrmw.start
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: lr %r0, %r2
; CHECK-NEXT: crjle %r2, %r4, .LBB8_1
; CHECK-NEXT: # %bb.3: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB8_2 Depth=1
; CHECK-NEXT: lr %r0, %r4
; CHECK-NEXT: j .LBB8_1
; CHECK-NEXT: .LBB8_4: # %atomicrmw.end
; CHECK-NEXT: br %r14
%ptr = getelementptr i32, ptr %src, i64 -1
%res = atomicrmw min ptr %ptr, i32 %b seq_cst
ret i32 %res
}
; Check the low end of the CSY range.
define i32 @f10(i32 %dummy, ptr %src, i32 %b) {
; CHECK-LABEL: f10:
; CHECK: # %bb.0:
; CHECK-NEXT: ly %r2, -524288(%r3)
; CHECK-NEXT: j .LBB9_2
; CHECK-NEXT: .LBB9_1: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB9_2 Depth=1
; CHECK-NEXT: csy %r2, %r0, -524288(%r3)
; CHECK-NEXT: je .LBB9_4
; CHECK-NEXT: .LBB9_2: # %atomicrmw.start
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: lr %r0, %r2
; CHECK-NEXT: crjle %r2, %r4, .LBB9_1
; CHECK-NEXT: # %bb.3: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB9_2 Depth=1
; CHECK-NEXT: lr %r0, %r4
; CHECK-NEXT: j .LBB9_1
; CHECK-NEXT: .LBB9_4: # %atomicrmw.end
; CHECK-NEXT: br %r14
%ptr = getelementptr i32, ptr %src, i64 -131072
%res = atomicrmw min ptr %ptr, i32 %b seq_cst
ret i32 %res
}
; Check the next word down, which needs separate address logic.
define i32 @f11(i32 %dummy, ptr %src, i32 %b) {
; CHECK-LABEL: f11:
; CHECK: # %bb.0:
; CHECK-NEXT: agfi %r3, -524292
; CHECK-NEXT: l %r2, 0(%r3)
; CHECK-NEXT: j .LBB10_2
; CHECK-NEXT: .LBB10_1: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB10_2 Depth=1
; CHECK-NEXT: cs %r2, %r0, 0(%r3)
; CHECK-NEXT: je .LBB10_4
; CHECK-NEXT: .LBB10_2: # %atomicrmw.start
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: lr %r0, %r2
; CHECK-NEXT: crjle %r2, %r4, .LBB10_1
; CHECK-NEXT: # %bb.3: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB10_2 Depth=1
; CHECK-NEXT: lr %r0, %r4
; CHECK-NEXT: j .LBB10_1
; CHECK-NEXT: .LBB10_4: # %atomicrmw.end
; CHECK-NEXT: br %r14
%ptr = getelementptr i32, ptr %src, i64 -131073
%res = atomicrmw min ptr %ptr, i32 %b seq_cst
ret i32 %res
}
; Check that indexed addresses are not allowed.
define i32 @f12(i32 %dummy, i64 %base, i64 %index, i32 %b) {
; CHECK-LABEL: f12:
; CHECK: # %bb.0:
; CHECK-NEXT: l %r2, 0(%r4,%r3)
; CHECK-NEXT: agr %r3, %r4
; CHECK-NEXT: j .LBB11_2
; CHECK-NEXT: .LBB11_1: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB11_2 Depth=1
; CHECK-NEXT: cs %r2, %r0, 0(%r3)
; CHECK-NEXT: je .LBB11_4
; CHECK-NEXT: .LBB11_2: # %atomicrmw.start
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: lr %r0, %r2
; CHECK-NEXT: crjle %r2, %r5, .LBB11_1
; CHECK-NEXT: # %bb.3: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB11_2 Depth=1
; CHECK-NEXT: lr %r0, %r5
; CHECK-NEXT: j .LBB11_1
; CHECK-NEXT: .LBB11_4: # %atomicrmw.end
; CHECK-NEXT: br %r14
%add = add i64 %base, %index
%ptr = inttoptr i64 %add to ptr
%res = atomicrmw min ptr %ptr, i32 %b seq_cst
ret i32 %res
}
; Check that constants are handled.
define i32 @f13(i32 %dummy, ptr %ptr) {
; CHECK-LABEL: f13:
; CHECK: # %bb.0:
; CHECK-NEXT: l %r2, 0(%r3)
; CHECK-NEXT: j .LBB12_2
; CHECK-NEXT: .LBB12_1: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB12_2 Depth=1
; CHECK-NEXT: cs %r2, %r0, 0(%r3)
; CHECK-NEXT: je .LBB12_4
; CHECK-NEXT: .LBB12_2: # %atomicrmw.start
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: lr %r0, %r2
; CHECK-NEXT: cijl %r2, 43, .LBB12_1
; CHECK-NEXT: # %bb.3: # %atomicrmw.start
; CHECK-NEXT: # in Loop: Header=BB12_2 Depth=1
; CHECK-NEXT: lhi %r0, 42
; CHECK-NEXT: j .LBB12_1
; CHECK-NEXT: .LBB12_4: # %atomicrmw.end
; CHECK-NEXT: br %r14
%res = atomicrmw min ptr %ptr, i32 42 seq_cst
ret i32 %res
}
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