[llvm-branch-commits] [llvm] [AArch64][llvm] Pre-commit tests for #xxxxx (NFC) (PR #137702)

via llvm-branch-commits llvm-branch-commits at lists.llvm.org
Mon Apr 28 12:59:39 PDT 2025


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-aarch64

Author: Jonathan Thackray (jthackray)

<details>
<summary>Changes</summary>

Add pre-commit tests for lowering atomicrmw `fminimum`/`fmaximum` to AArch64 assembler, in a subsequent change.

---

Patch is 153.26 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/137702.diff


5 Files Affected:

- (modified) llvm/test/CodeGen/AArch64/Atomics/aarch64-atomicrmw-lsfe.ll (+1204) 
- (modified) llvm/test/CodeGen/AArch64/Atomics/aarch64-atomicrmw-v8a_fp.ll (+960) 
- (modified) llvm/test/CodeGen/AArch64/Atomics/aarch64_be-atomicrmw-lsfe.ll (+1246) 
- (modified) llvm/test/CodeGen/AArch64/Atomics/aarch64_be-atomicrmw-v8a_fp.ll (+990) 
- (modified) llvm/test/CodeGen/AArch64/Atomics/generate-tests.py (+2) 


``````````diff
diff --git a/llvm/test/CodeGen/AArch64/Atomics/aarch64-atomicrmw-lsfe.ll b/llvm/test/CodeGen/AArch64/Atomics/aarch64-atomicrmw-lsfe.ll
index ef1f11e71f433..7ee2a0bb19c0e 100644
--- a/llvm/test/CodeGen/AArch64/Atomics/aarch64-atomicrmw-lsfe.ll
+++ b/llvm/test/CodeGen/AArch64/Atomics/aarch64-atomicrmw-lsfe.ll
@@ -1598,3 +1598,1207 @@ define dso_local double @atomicrmw_fmin_double_unaligned_seq_cst(ptr %ptr, doubl
     %r = atomicrmw fmin ptr %ptr, double %value seq_cst, align 1
     ret double %r
 }
+
+define dso_local half @atomicrmw_fmaximum_half_aligned_monotonic(ptr %ptr, half %value) {
+; -O0-LABEL: atomicrmw_fmaximum_half_aligned_monotonic:
+; -O0:    ldaxrh w0, [x9]
+; -O0:    cmp w0, w10, uxth
+; -O0:    stlxrh w8, w11, [x9]
+; -O0:    subs w8, w8, w0, uxth
+;
+; -O1-LABEL: atomicrmw_fmaximum_half_aligned_monotonic:
+; -O1:    ldxrh w8, [x0]
+; -O1:    stxrh w9, w8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, half %value monotonic, align 2
+    ret half %r
+}
+
+define dso_local void @atomicrmw_fmaximum_half_aligned_monotonic_unused(ptr %ptr, half %value) {
+; -O0-LABEL: atomicrmw_fmaximum_half_aligned_monotonic_unused:
+; -O0:    ldaxrh w0, [x9]
+; -O0:    cmp w0, w10, uxth
+; -O0:    stlxrh w8, w11, [x9]
+; -O0:    subs w8, w8, w0, uxth
+;
+; -O1-LABEL: atomicrmw_fmaximum_half_aligned_monotonic_unused:
+; -O1:    ldxrh w8, [x0]
+; -O1:    stxrh w9, w8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, half %value monotonic, align 2
+    ret void
+}
+
+define dso_local half @atomicrmw_fmaximum_half_aligned_acquire(ptr %ptr, half %value) {
+; -O0-LABEL: atomicrmw_fmaximum_half_aligned_acquire:
+; -O0:    ldaxrh w0, [x9]
+; -O0:    cmp w0, w10, uxth
+; -O0:    stlxrh w8, w11, [x9]
+; -O0:    subs w8, w8, w0, uxth
+;
+; -O1-LABEL: atomicrmw_fmaximum_half_aligned_acquire:
+; -O1:    ldaxrh w8, [x0]
+; -O1:    stxrh w9, w8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, half %value acquire, align 2
+    ret half %r
+}
+
+define dso_local half @atomicrmw_fmaximum_half_aligned_release(ptr %ptr, half %value) {
+; -O0-LABEL: atomicrmw_fmaximum_half_aligned_release:
+; -O0:    ldaxrh w0, [x9]
+; -O0:    cmp w0, w10, uxth
+; -O0:    stlxrh w8, w11, [x9]
+; -O0:    subs w8, w8, w0, uxth
+;
+; -O1-LABEL: atomicrmw_fmaximum_half_aligned_release:
+; -O1:    ldxrh w8, [x0]
+; -O1:    stlxrh w9, w8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, half %value release, align 2
+    ret half %r
+}
+
+define dso_local void @atomicrmw_fmaximum_half_aligned_release_unused(ptr %ptr, half %value) {
+; -O0-LABEL: atomicrmw_fmaximum_half_aligned_release_unused:
+; -O0:    ldaxrh w0, [x9]
+; -O0:    cmp w0, w10, uxth
+; -O0:    stlxrh w8, w11, [x9]
+; -O0:    subs w8, w8, w0, uxth
+;
+; -O1-LABEL: atomicrmw_fmaximum_half_aligned_release_unused:
+; -O1:    ldxrh w8, [x0]
+; -O1:    stlxrh w9, w8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, half %value release, align 2
+    ret void
+}
+
+define dso_local half @atomicrmw_fmaximum_half_aligned_acq_rel(ptr %ptr, half %value) {
+; -O0-LABEL: atomicrmw_fmaximum_half_aligned_acq_rel:
+; -O0:    ldaxrh w0, [x9]
+; -O0:    cmp w0, w10, uxth
+; -O0:    stlxrh w8, w11, [x9]
+; -O0:    subs w8, w8, w0, uxth
+;
+; -O1-LABEL: atomicrmw_fmaximum_half_aligned_acq_rel:
+; -O1:    ldaxrh w8, [x0]
+; -O1:    stlxrh w9, w8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, half %value acq_rel, align 2
+    ret half %r
+}
+
+define dso_local half @atomicrmw_fmaximum_half_aligned_seq_cst(ptr %ptr, half %value) {
+; -O0-LABEL: atomicrmw_fmaximum_half_aligned_seq_cst:
+; -O0:    ldaxrh w0, [x9]
+; -O0:    cmp w0, w10, uxth
+; -O0:    stlxrh w8, w11, [x9]
+; -O0:    subs w8, w8, w0, uxth
+;
+; -O1-LABEL: atomicrmw_fmaximum_half_aligned_seq_cst:
+; -O1:    ldaxrh w8, [x0]
+; -O1:    stlxrh w9, w8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, half %value seq_cst, align 2
+    ret half %r
+}
+
+define dso_local bfloat @atomicrmw_fmaximum_bfloat_aligned_monotonic(ptr %ptr, bfloat %value) {
+; -O0-LABEL: atomicrmw_fmaximum_bfloat_aligned_monotonic:
+; -O0:    add w8, w8, w9
+; -O0:    add w8, w8, w9
+; -O0:    ldaxrh w9, [x11]
+; -O0:    cmp w9, w8, uxth
+; -O0:    stlxrh w10, w12, [x11]
+; -O0:    subs w8, w9, w8, uxth
+; -O0:    subs w8, w8, #1
+;
+; -O1-LABEL: atomicrmw_fmaximum_bfloat_aligned_monotonic:
+; -O1:    ldxrh w9, [x0]
+; -O1:    add w9, w9, w8
+; -O1:    add w9, w10, w9
+; -O1:    stxrh w10, w9, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, bfloat %value monotonic, align 2
+    ret bfloat %r
+}
+
+define dso_local void @atomicrmw_fmaximum_bfloat_aligned_monotonic_unused(ptr %ptr, bfloat %value) {
+; -O0-LABEL: atomicrmw_fmaximum_bfloat_aligned_monotonic_unused:
+; -O0:    add w8, w8, w9
+; -O0:    add w8, w8, w9
+; -O0:    ldaxrh w9, [x11]
+; -O0:    cmp w9, w8, uxth
+; -O0:    stlxrh w10, w12, [x11]
+; -O0:    subs w8, w9, w8, uxth
+; -O0:    subs w8, w8, #1
+;
+; -O1-LABEL: atomicrmw_fmaximum_bfloat_aligned_monotonic_unused:
+; -O1:    ldxrh w9, [x0]
+; -O1:    add w9, w9, w8
+; -O1:    add w9, w10, w9
+; -O1:    stxrh w10, w9, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, bfloat %value monotonic, align 2
+    ret void
+}
+
+define dso_local bfloat @atomicrmw_fmaximum_bfloat_aligned_acquire(ptr %ptr, bfloat %value) {
+; -O0-LABEL: atomicrmw_fmaximum_bfloat_aligned_acquire:
+; -O0:    add w8, w8, w9
+; -O0:    add w8, w8, w9
+; -O0:    ldaxrh w9, [x11]
+; -O0:    cmp w9, w8, uxth
+; -O0:    stlxrh w10, w12, [x11]
+; -O0:    subs w8, w9, w8, uxth
+; -O0:    subs w8, w8, #1
+;
+; -O1-LABEL: atomicrmw_fmaximum_bfloat_aligned_acquire:
+; -O1:    ldaxrh w9, [x0]
+; -O1:    add w9, w9, w8
+; -O1:    add w9, w10, w9
+; -O1:    stxrh w10, w9, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, bfloat %value acquire, align 2
+    ret bfloat %r
+}
+
+define dso_local bfloat @atomicrmw_fmaximum_bfloat_aligned_release(ptr %ptr, bfloat %value) {
+; -O0-LABEL: atomicrmw_fmaximum_bfloat_aligned_release:
+; -O0:    add w8, w8, w9
+; -O0:    add w8, w8, w9
+; -O0:    ldaxrh w9, [x11]
+; -O0:    cmp w9, w8, uxth
+; -O0:    stlxrh w10, w12, [x11]
+; -O0:    subs w8, w9, w8, uxth
+; -O0:    subs w8, w8, #1
+;
+; -O1-LABEL: atomicrmw_fmaximum_bfloat_aligned_release:
+; -O1:    ldxrh w9, [x0]
+; -O1:    add w9, w9, w8
+; -O1:    add w9, w10, w9
+; -O1:    stlxrh w10, w9, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, bfloat %value release, align 2
+    ret bfloat %r
+}
+
+define dso_local void @atomicrmw_fmaximum_bfloat_aligned_release_unused(ptr %ptr, bfloat %value) {
+; -O0-LABEL: atomicrmw_fmaximum_bfloat_aligned_release_unused:
+; -O0:    add w8, w8, w9
+; -O0:    add w8, w8, w9
+; -O0:    ldaxrh w9, [x11]
+; -O0:    cmp w9, w8, uxth
+; -O0:    stlxrh w10, w12, [x11]
+; -O0:    subs w8, w9, w8, uxth
+; -O0:    subs w8, w8, #1
+;
+; -O1-LABEL: atomicrmw_fmaximum_bfloat_aligned_release_unused:
+; -O1:    ldxrh w9, [x0]
+; -O1:    add w9, w9, w8
+; -O1:    add w9, w10, w9
+; -O1:    stlxrh w10, w9, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, bfloat %value release, align 2
+    ret void
+}
+
+define dso_local bfloat @atomicrmw_fmaximum_bfloat_aligned_acq_rel(ptr %ptr, bfloat %value) {
+; -O0-LABEL: atomicrmw_fmaximum_bfloat_aligned_acq_rel:
+; -O0:    add w8, w8, w9
+; -O0:    add w8, w8, w9
+; -O0:    ldaxrh w9, [x11]
+; -O0:    cmp w9, w8, uxth
+; -O0:    stlxrh w10, w12, [x11]
+; -O0:    subs w8, w9, w8, uxth
+; -O0:    subs w8, w8, #1
+;
+; -O1-LABEL: atomicrmw_fmaximum_bfloat_aligned_acq_rel:
+; -O1:    ldaxrh w9, [x0]
+; -O1:    add w9, w9, w8
+; -O1:    add w9, w10, w9
+; -O1:    stlxrh w10, w9, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, bfloat %value acq_rel, align 2
+    ret bfloat %r
+}
+
+define dso_local bfloat @atomicrmw_fmaximum_bfloat_aligned_seq_cst(ptr %ptr, bfloat %value) {
+; -O0-LABEL: atomicrmw_fmaximum_bfloat_aligned_seq_cst:
+; -O0:    add w8, w8, w9
+; -O0:    add w8, w8, w9
+; -O0:    ldaxrh w9, [x11]
+; -O0:    cmp w9, w8, uxth
+; -O0:    stlxrh w10, w12, [x11]
+; -O0:    subs w8, w9, w8, uxth
+; -O0:    subs w8, w8, #1
+;
+; -O1-LABEL: atomicrmw_fmaximum_bfloat_aligned_seq_cst:
+; -O1:    ldaxrh w9, [x0]
+; -O1:    add w9, w9, w8
+; -O1:    add w9, w10, w9
+; -O1:    stlxrh w10, w9, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, bfloat %value seq_cst, align 2
+    ret bfloat %r
+}
+
+define dso_local float @atomicrmw_fmaximum_float_aligned_monotonic(ptr %ptr, float %value) {
+; -O0-LABEL: atomicrmw_fmaximum_float_aligned_monotonic:
+; -O0:    ldaxr w0, [x9]
+; -O0:    cmp w0, w10
+; -O0:    stlxr w8, w11, [x9]
+; -O0:    subs w8, w0, w8
+;
+; -O1-LABEL: atomicrmw_fmaximum_float_aligned_monotonic:
+; -O1:    ldxr w8, [x0]
+; -O1:    stxr w9, w8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, float %value monotonic, align 4
+    ret float %r
+}
+
+define dso_local void @atomicrmw_fmaximum_float_aligned_monotonic_unused(ptr %ptr, float %value) {
+; -O0-LABEL: atomicrmw_fmaximum_float_aligned_monotonic_unused:
+; -O0:    ldaxr w0, [x9]
+; -O0:    cmp w0, w10
+; -O0:    stlxr w8, w11, [x9]
+; -O0:    subs w8, w0, w8
+;
+; -O1-LABEL: atomicrmw_fmaximum_float_aligned_monotonic_unused:
+; -O1:    ldxr w8, [x0]
+; -O1:    stxr w9, w8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, float %value monotonic, align 4
+    ret void
+}
+
+define dso_local float @atomicrmw_fmaximum_float_aligned_acquire(ptr %ptr, float %value) {
+; -O0-LABEL: atomicrmw_fmaximum_float_aligned_acquire:
+; -O0:    ldaxr w0, [x9]
+; -O0:    cmp w0, w10
+; -O0:    stlxr w8, w11, [x9]
+; -O0:    subs w8, w0, w8
+;
+; -O1-LABEL: atomicrmw_fmaximum_float_aligned_acquire:
+; -O1:    ldaxr w8, [x0]
+; -O1:    stxr w9, w8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, float %value acquire, align 4
+    ret float %r
+}
+
+define dso_local float @atomicrmw_fmaximum_float_aligned_release(ptr %ptr, float %value) {
+; -O0-LABEL: atomicrmw_fmaximum_float_aligned_release:
+; -O0:    ldaxr w0, [x9]
+; -O0:    cmp w0, w10
+; -O0:    stlxr w8, w11, [x9]
+; -O0:    subs w8, w0, w8
+;
+; -O1-LABEL: atomicrmw_fmaximum_float_aligned_release:
+; -O1:    ldxr w8, [x0]
+; -O1:    stlxr w9, w8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, float %value release, align 4
+    ret float %r
+}
+
+define dso_local void @atomicrmw_fmaximum_float_aligned_release_unused(ptr %ptr, float %value) {
+; -O0-LABEL: atomicrmw_fmaximum_float_aligned_release_unused:
+; -O0:    ldaxr w0, [x9]
+; -O0:    cmp w0, w10
+; -O0:    stlxr w8, w11, [x9]
+; -O0:    subs w8, w0, w8
+;
+; -O1-LABEL: atomicrmw_fmaximum_float_aligned_release_unused:
+; -O1:    ldxr w8, [x0]
+; -O1:    stlxr w9, w8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, float %value release, align 4
+    ret void
+}
+
+define dso_local float @atomicrmw_fmaximum_float_aligned_acq_rel(ptr %ptr, float %value) {
+; -O0-LABEL: atomicrmw_fmaximum_float_aligned_acq_rel:
+; -O0:    ldaxr w0, [x9]
+; -O0:    cmp w0, w10
+; -O0:    stlxr w8, w11, [x9]
+; -O0:    subs w8, w0, w8
+;
+; -O1-LABEL: atomicrmw_fmaximum_float_aligned_acq_rel:
+; -O1:    ldaxr w8, [x0]
+; -O1:    stlxr w9, w8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, float %value acq_rel, align 4
+    ret float %r
+}
+
+define dso_local float @atomicrmw_fmaximum_float_aligned_seq_cst(ptr %ptr, float %value) {
+; -O0-LABEL: atomicrmw_fmaximum_float_aligned_seq_cst:
+; -O0:    ldaxr w0, [x9]
+; -O0:    cmp w0, w10
+; -O0:    stlxr w8, w11, [x9]
+; -O0:    subs w8, w0, w8
+;
+; -O1-LABEL: atomicrmw_fmaximum_float_aligned_seq_cst:
+; -O1:    ldaxr w8, [x0]
+; -O1:    stlxr w9, w8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, float %value seq_cst, align 4
+    ret float %r
+}
+
+define dso_local double @atomicrmw_fmaximum_double_aligned_monotonic(ptr %ptr, double %value) {
+; -O0-LABEL: atomicrmw_fmaximum_double_aligned_monotonic:
+; -O0:    ldaxr x0, [x9]
+; -O0:    cmp x0, x10
+; -O0:    stlxr w8, x11, [x9]
+; -O0:    subs x8, x0, x8
+;
+; -O1-LABEL: atomicrmw_fmaximum_double_aligned_monotonic:
+; -O1:    ldxr x8, [x0]
+; -O1:    stxr w9, x8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, double %value monotonic, align 8
+    ret double %r
+}
+
+define dso_local void @atomicrmw_fmaximum_double_aligned_monotonic_unused(ptr %ptr, double %value) {
+; -O0-LABEL: atomicrmw_fmaximum_double_aligned_monotonic_unused:
+; -O0:    ldaxr x0, [x9]
+; -O0:    cmp x0, x10
+; -O0:    stlxr w8, x11, [x9]
+; -O0:    subs x8, x0, x8
+;
+; -O1-LABEL: atomicrmw_fmaximum_double_aligned_monotonic_unused:
+; -O1:    ldxr x8, [x0]
+; -O1:    stxr w9, x8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, double %value monotonic, align 8
+    ret void
+}
+
+define dso_local double @atomicrmw_fmaximum_double_aligned_acquire(ptr %ptr, double %value) {
+; -O0-LABEL: atomicrmw_fmaximum_double_aligned_acquire:
+; -O0:    ldaxr x0, [x9]
+; -O0:    cmp x0, x10
+; -O0:    stlxr w8, x11, [x9]
+; -O0:    subs x8, x0, x8
+;
+; -O1-LABEL: atomicrmw_fmaximum_double_aligned_acquire:
+; -O1:    ldaxr x8, [x0]
+; -O1:    stxr w9, x8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, double %value acquire, align 8
+    ret double %r
+}
+
+define dso_local double @atomicrmw_fmaximum_double_aligned_release(ptr %ptr, double %value) {
+; -O0-LABEL: atomicrmw_fmaximum_double_aligned_release:
+; -O0:    ldaxr x0, [x9]
+; -O0:    cmp x0, x10
+; -O0:    stlxr w8, x11, [x9]
+; -O0:    subs x8, x0, x8
+;
+; -O1-LABEL: atomicrmw_fmaximum_double_aligned_release:
+; -O1:    ldxr x8, [x0]
+; -O1:    stlxr w9, x8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, double %value release, align 8
+    ret double %r
+}
+
+define dso_local void @atomicrmw_fmaximum_double_aligned_release_unused(ptr %ptr, double %value) {
+; -O0-LABEL: atomicrmw_fmaximum_double_aligned_release_unused:
+; -O0:    ldaxr x0, [x9]
+; -O0:    cmp x0, x10
+; -O0:    stlxr w8, x11, [x9]
+; -O0:    subs x8, x0, x8
+;
+; -O1-LABEL: atomicrmw_fmaximum_double_aligned_release_unused:
+; -O1:    ldxr x8, [x0]
+; -O1:    stlxr w9, x8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, double %value release, align 8
+    ret void
+}
+
+define dso_local double @atomicrmw_fmaximum_double_aligned_acq_rel(ptr %ptr, double %value) {
+; -O0-LABEL: atomicrmw_fmaximum_double_aligned_acq_rel:
+; -O0:    ldaxr x0, [x9]
+; -O0:    cmp x0, x10
+; -O0:    stlxr w8, x11, [x9]
+; -O0:    subs x8, x0, x8
+;
+; -O1-LABEL: atomicrmw_fmaximum_double_aligned_acq_rel:
+; -O1:    ldaxr x8, [x0]
+; -O1:    stlxr w9, x8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, double %value acq_rel, align 8
+    ret double %r
+}
+
+define dso_local double @atomicrmw_fmaximum_double_aligned_seq_cst(ptr %ptr, double %value) {
+; -O0-LABEL: atomicrmw_fmaximum_double_aligned_seq_cst:
+; -O0:    ldaxr x0, [x9]
+; -O0:    cmp x0, x10
+; -O0:    stlxr w8, x11, [x9]
+; -O0:    subs x8, x0, x8
+;
+; -O1-LABEL: atomicrmw_fmaximum_double_aligned_seq_cst:
+; -O1:    ldaxr x8, [x0]
+; -O1:    stlxr w9, x8, [x0]
+    %r = atomicrmw fmaximum ptr %ptr, double %value seq_cst, align 8
+    ret double %r
+}
+
+define dso_local half @atomicrmw_fmaximum_half_unaligned_monotonic(ptr %ptr, half %value) {
+; CHECK-LABEL: atomicrmw_fmaximum_half_unaligned_monotonic:
+; CHECK:    bl __atomic_compare_exchange
+    %r = atomicrmw fmaximum ptr %ptr, half %value monotonic, align 1
+    ret half %r
+}
+
+define dso_local half @atomicrmw_fmaximum_half_unaligned_acquire(ptr %ptr, half %value) {
+; CHECK-LABEL: atomicrmw_fmaximum_half_unaligned_acquire:
+; CHECK:    bl __atomic_compare_exchange
+    %r = atomicrmw fmaximum ptr %ptr, half %value acquire, align 1
+    ret half %r
+}
+
+define dso_local half @atomicrmw_fmaximum_half_unaligned_release(ptr %ptr, half %value) {
+; CHECK-LABEL: atomicrmw_fmaximum_half_unaligned_release:
+; CHECK:    bl __atomic_compare_exchange
+    %r = atomicrmw fmaximum ptr %ptr, half %value release, align 1
+    ret half %r
+}
+
+define dso_local half @atomicrmw_fmaximum_half_unaligned_acq_rel(ptr %ptr, half %value) {
+; CHECK-LABEL: atomicrmw_fmaximum_half_unaligned_acq_rel:
+; CHECK:    bl __atomic_compare_exchange
+    %r = atomicrmw fmaximum ptr %ptr, half %value acq_rel, align 1
+    ret half %r
+}
+
+define dso_local half @atomicrmw_fmaximum_half_unaligned_seq_cst(ptr %ptr, half %value) {
+; CHECK-LABEL: atomicrmw_fmaximum_half_unaligned_seq_cst:
+; CHECK:    bl __atomic_compare_exchange
+    %r = atomicrmw fmaximum ptr %ptr, half %value seq_cst, align 1
+    ret half %r
+}
+
+define dso_local bfloat @atomicrmw_fmaximum_bfloat_unaligned_monotonic(ptr %ptr, bfloat %value) {
+; -O0-LABEL: atomicrmw_fmaximum_bfloat_unaligned_monotonic:
+; -O0:    add w8, w8, w9
+; -O0:    add w8, w8, w9
+; -O0:    bl __atomic_compare_exchange
+;
+; -O1-LABEL: atomicrmw_fmaximum_bfloat_unaligned_monotonic:
+; -O1:    add w8, w8, w20
+; -O1:    add w8, w9, w8
+; -O1:    bl __atomic_compare_exchange
+    %r = atomicrmw fmaximum ptr %ptr, bfloat %value monotonic, align 1
+    ret bfloat %r
+}
+
+define dso_local bfloat @atomicrmw_fmaximum_bfloat_unaligned_acquire(ptr %ptr, bfloat %value) {
+; -O0-LABEL: atomicrmw_fmaximum_bfloat_unaligned_acquire:
+; -O0:    add w8, w8, w9
+; -O0:    add w8, w8, w9
+; -O0:    bl __atomic_compare_exchange
+;
+; -O1-LABEL: atomicrmw_fmaximum_bfloat_unaligned_acquire:
+; -O1:    add w8, w8, w20
+; -O1:    add w8, w9, w8
+; -O1:    bl __atomic_compare_exchange
+    %r = atomicrmw fmaximum ptr %ptr, bfloat %value acquire, align 1
+    ret bfloat %r
+}
+
+define dso_local bfloat @atomicrmw_fmaximum_bfloat_unaligned_release(ptr %ptr, bfloat %value) {
+; -O0-LABEL: atomicrmw_fmaximum_bfloat_unaligned_release:
+; -O0:    add w8, w8, w9
+; -O0:    add w8, w8, w9
+; -O0:    bl __atomic_compare_exchange
+;
+; -O1-LABEL: atomicrmw_fmaximum_bfloat_unaligned_release:
+; -O1:    add w8, w8, w20
+; -O1:    add w8, w9, w8
+; -O1:    bl __atomic_compare_exchange
+    %r = atomicrmw fmaximum ptr %ptr, bfloat %value release, align 1
+    ret bfloat %r
+}
+
+define dso_local bfloat @atomicrmw_fmaximum_bfloat_unaligned_acq_rel(ptr %ptr, bfloat %value) {
+; -O0-LABEL: atomicrmw_fmaximum_bfloat_unaligned_acq_rel:
+; -O0:    add w8, w8, w9
+; -O0:    add w8, w8, w9
+; -O0:    bl __atomic_compare_exchange
+;
+; -O1-LABEL: atomicrmw_fmaximum_bfloat_unaligned_acq_rel:
+; -O1:    add w8, w8, w20
+; -O1:    add w8, w9, w8
+; -O1:    bl __atomic_compare_exchange
+    %r = atomicrmw fmaximum ptr %ptr, bfloat %value acq_rel, align 1
+    ret bfloat %r
+}
+
+define dso_local bfloat @atomicrmw_fmaximum_bfloat_unaligned_seq_cst(ptr %ptr, bfloat %value) {
+; -O0-LABEL: atomicrmw_fmaximum_bfloat_unaligned_seq_cst:
+; -O0:    add w8, w8, w9
+; -O0:    add w8, w8, w9
+; -O0:    bl __atomic_compare_exchange
+;
+; -O1-LABEL: atomicrmw_fmaximum_bfloat_unaligned_seq_cst:
+; -O1:    add w8, w8, w20
+; -O1:    add w8, w9, w8
+; -O1:    bl __atomic_compare_exchange
+    %r = atomicrmw fmaximum ptr %ptr, bfloat %value seq_cst, align 1
+    ret bfloat %r
+}
+
+define dso_local float @atomicrmw_fmaximum_float_unaligned_monotonic(ptr %ptr, float %value) {
+; CHECK-LABEL: atomicrmw_fmaximum_float_unaligned_monotonic:
+; CHECK:    bl __atomic_compare_exchange
+    %r = atomicrmw fmaximum ptr %ptr, float %value monotonic, align 1
+    ret float %r
+}
+
+define dso_local float @atomicrmw_fmaximum_float_unaligned_acquire(ptr %ptr, float %value) {
+; CHECK-LABEL: atomicrmw_fmaximum_float_unaligned_acquire:
+; CHECK:    bl __atomic_compare_exchange
+    %r = atomicrmw fmaximum ptr %ptr, float %value acquire, align 1
+    ret float %r
+}
+
+define dso_local float @atomicrmw_fmaximum_float_unaligned_release(ptr %ptr, float %value) {
+; CHECK-LABEL: atomicrmw_fmaximum_float_unaligned_release:
+; CHECK:    bl __atomic_compare_exchange
+    %r = atomicrmw fmaximum ptr %ptr, float %value release, align 1
+    ret float %r
+}
+
+define dso_local float @atomicrmw_fmaximum_float_unaligned_acq_rel(ptr %ptr, float %value) {
+; CHECK-LABEL: atomicrmw_fmaximum_float_unaligned_acq_rel:
+; CHECK:    bl __atomic_compare_exchange
+    %r = atomicrmw fmaximum ptr %ptr, float %value acq_rel, align 1
+    ret float %r
+}
+
+define dso_local float @atomicrmw_fmaximum_float_unaligned_seq_cst(ptr %ptr, float %value) {
+; CHECK-LABEL: atomicrmw_fmaximum_float_unaligned_seq_cst:
+; CHECK:    bl __atomic_compare_exchange
+    %r = atomicrmw fmaximum ptr %ptr, float %value seq_cst, align 1
+    ret float %r
+}
+
+define dso_local double @atomicrmw_fmaximum_double_unaligned_monotonic(ptr %ptr, double %value) {
+; CHECK-LABEL: atomicrmw_fmaximum_double_unaligned_monotonic:
+; CHECK:    bl __atomic_compare_exchange
+    %r = atomicrmw fmaximum ptr %ptr, double %value monotonic, align 1
+    ret double %r
+}
+
+defin...
[truncated]

``````````

</details>


https://github.com/llvm/llvm-project/pull/137702


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