summaryrefslogtreecommitdiff
path: root/llvm/test/CodeGen/LoongArch/calling-conv-preserve-most.ll
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/test/CodeGen/LoongArch/calling-conv-preserve-most.ll')
-rw-r--r--llvm/test/CodeGen/LoongArch/calling-conv-preserve-most.ll321
1 files changed, 321 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/LoongArch/calling-conv-preserve-most.ll b/llvm/test/CodeGen/LoongArch/calling-conv-preserve-most.ll
new file mode 100644
index 000000000000..26c53d4ef824
--- /dev/null
+++ b/llvm/test/CodeGen/LoongArch/calling-conv-preserve-most.ll
@@ -0,0 +1,321 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=loongarch32 < %s | FileCheck %s -check-prefix=LA32
+; RUN: llc -mtriple=loongarch64 < %s | FileCheck %s -check-prefix=LA64
+
+; Check the PreserveMost calling convention works.
+
+declare void @standard_cc_func()
+declare preserve_mostcc void @preserve_mostcc_func()
+
+define preserve_mostcc void @preserve_mostcc1() nounwind {
+; LA32-LABEL: preserve_mostcc1:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -64
+; LA32-NEXT: st.w $ra, $sp, 60 # 4-byte Folded Spill
+; LA32-NEXT: st.w $a0, $sp, 56 # 4-byte Folded Spill
+; LA32-NEXT: st.w $a1, $sp, 52 # 4-byte Folded Spill
+; LA32-NEXT: st.w $a2, $sp, 48 # 4-byte Folded Spill
+; LA32-NEXT: st.w $a3, $sp, 44 # 4-byte Folded Spill
+; LA32-NEXT: st.w $a4, $sp, 40 # 4-byte Folded Spill
+; LA32-NEXT: st.w $a5, $sp, 36 # 4-byte Folded Spill
+; LA32-NEXT: st.w $a6, $sp, 32 # 4-byte Folded Spill
+; LA32-NEXT: st.w $a7, $sp, 28 # 4-byte Folded Spill
+; LA32-NEXT: st.w $t4, $sp, 24 # 4-byte Folded Spill
+; LA32-NEXT: st.w $t5, $sp, 20 # 4-byte Folded Spill
+; LA32-NEXT: st.w $t6, $sp, 16 # 4-byte Folded Spill
+; LA32-NEXT: st.w $t7, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: bl standard_cc_func
+; LA32-NEXT: ld.w $t7, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $t6, $sp, 16 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $t5, $sp, 20 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $t4, $sp, 24 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $a7, $sp, 28 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $a6, $sp, 32 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $a5, $sp, 36 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $a4, $sp, 40 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $a3, $sp, 44 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $a2, $sp, 48 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $a1, $sp, 52 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $a0, $sp, 56 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $ra, $sp, 60 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 64
+; LA32-NEXT: ret
+;
+; LA64-LABEL: preserve_mostcc1:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -112
+; LA64-NEXT: st.d $ra, $sp, 104 # 8-byte Folded Spill
+; LA64-NEXT: st.d $a0, $sp, 96 # 8-byte Folded Spill
+; LA64-NEXT: st.d $a1, $sp, 88 # 8-byte Folded Spill
+; LA64-NEXT: st.d $a2, $sp, 80 # 8-byte Folded Spill
+; LA64-NEXT: st.d $a3, $sp, 72 # 8-byte Folded Spill
+; LA64-NEXT: st.d $a4, $sp, 64 # 8-byte Folded Spill
+; LA64-NEXT: st.d $a5, $sp, 56 # 8-byte Folded Spill
+; LA64-NEXT: st.d $a6, $sp, 48 # 8-byte Folded Spill
+; LA64-NEXT: st.d $a7, $sp, 40 # 8-byte Folded Spill
+; LA64-NEXT: st.d $t4, $sp, 32 # 8-byte Folded Spill
+; LA64-NEXT: st.d $t5, $sp, 24 # 8-byte Folded Spill
+; LA64-NEXT: st.d $t6, $sp, 16 # 8-byte Folded Spill
+; LA64-NEXT: st.d $t7, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: pcaddu18i $ra, %call36(standard_cc_func)
+; LA64-NEXT: jirl $ra, $ra, 0
+; LA64-NEXT: ld.d $t7, $sp, 8 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $t6, $sp, 16 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $t5, $sp, 24 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $t4, $sp, 32 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $a7, $sp, 40 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $a6, $sp, 48 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $a5, $sp, 56 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $a4, $sp, 64 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $a3, $sp, 72 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $a2, $sp, 80 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $a1, $sp, 88 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $a0, $sp, 96 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $ra, $sp, 104 # 8-byte Folded Reload
+; LA64-NEXT: addi.d $sp, $sp, 112
+; LA64-NEXT: ret
+entry:
+ call void @standard_cc_func()
+ ret void
+}
+
+define preserve_mostcc void @preserve_mostcc2() nounwind {
+; LA32-LABEL: preserve_mostcc2:
+; LA32: # %bb.0:
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: bl preserve_mostcc_func
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: preserve_mostcc2:
+; LA64: # %bb.0:
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: pcaddu18i $ra, %call36(preserve_mostcc_func)
+; LA64-NEXT: jirl $ra, $ra, 0
+; LA64-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload
+; LA64-NEXT: addi.d $sp, $sp, 16
+; LA64-NEXT: ret
+ call preserve_mostcc void @preserve_mostcc_func()
+ ret void
+}
+
+define void @preserve_mostcc3() nounwind {
+; LA32-LABEL: preserve_mostcc3:
+; LA32: # %bb.0:
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: st.w $s0, $sp, 8 # 4-byte Folded Spill
+; LA32-NEXT: st.w $s1, $sp, 4 # 4-byte Folded Spill
+; LA32-NEXT: #APP
+; LA32-NEXT: #NO_APP
+; LA32-NEXT: move $a0, $t0
+; LA32-NEXT: #APP
+; LA32-NEXT: #NO_APP
+; LA32-NEXT: move $a1, $t1
+; LA32-NEXT: #APP
+; LA32-NEXT: #NO_APP
+; LA32-NEXT: move $a2, $t2
+; LA32-NEXT: #APP
+; LA32-NEXT: #NO_APP
+; LA32-NEXT: move $a3, $t3
+; LA32-NEXT: #APP
+; LA32-NEXT: #NO_APP
+; LA32-NEXT: move $a4, $t8
+; LA32-NEXT: #APP
+; LA32-NEXT: #NO_APP
+; LA32-NEXT: #APP
+; LA32-NEXT: #NO_APP
+; LA32-NEXT: bl preserve_mostcc_func
+; LA32-NEXT: move $t0, $a0
+; LA32-NEXT: move $t1, $a1
+; LA32-NEXT: move $t2, $a2
+; LA32-NEXT: move $t3, $a3
+; LA32-NEXT: move $t8, $a4
+; LA32-NEXT: #APP
+; LA32-NEXT: #NO_APP
+; LA32-NEXT: ld.w $s1, $sp, 4 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $s0, $sp, 8 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: preserve_mostcc3:
+; LA64: # %bb.0:
+; LA64-NEXT: addi.d $sp, $sp, -96
+; LA64-NEXT: st.d $ra, $sp, 88 # 8-byte Folded Spill
+; LA64-NEXT: st.d $s0, $sp, 80 # 8-byte Folded Spill
+; LA64-NEXT: st.d $s1, $sp, 72 # 8-byte Folded Spill
+; LA64-NEXT: fst.d $fs0, $sp, 64 # 8-byte Folded Spill
+; LA64-NEXT: fst.d $fs1, $sp, 56 # 8-byte Folded Spill
+; LA64-NEXT: fst.d $fs2, $sp, 48 # 8-byte Folded Spill
+; LA64-NEXT: fst.d $fs3, $sp, 40 # 8-byte Folded Spill
+; LA64-NEXT: fst.d $fs4, $sp, 32 # 8-byte Folded Spill
+; LA64-NEXT: fst.d $fs5, $sp, 24 # 8-byte Folded Spill
+; LA64-NEXT: fst.d $fs6, $sp, 16 # 8-byte Folded Spill
+; LA64-NEXT: fst.d $fs7, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: #APP
+; LA64-NEXT: #NO_APP
+; LA64-NEXT: move $a0, $t0
+; LA64-NEXT: #APP
+; LA64-NEXT: #NO_APP
+; LA64-NEXT: move $a1, $t1
+; LA64-NEXT: #APP
+; LA64-NEXT: #NO_APP
+; LA64-NEXT: move $a2, $t2
+; LA64-NEXT: #APP
+; LA64-NEXT: #NO_APP
+; LA64-NEXT: move $a3, $t3
+; LA64-NEXT: #APP
+; LA64-NEXT: #NO_APP
+; LA64-NEXT: move $a4, $t8
+; LA64-NEXT: #APP
+; LA64-NEXT: #NO_APP
+; LA64-NEXT: #APP
+; LA64-NEXT: #NO_APP
+; LA64-NEXT: pcaddu18i $ra, %call36(preserve_mostcc_func)
+; LA64-NEXT: jirl $ra, $ra, 0
+; LA64-NEXT: move $t0, $a0
+; LA64-NEXT: move $t1, $a1
+; LA64-NEXT: move $t2, $a2
+; LA64-NEXT: move $t3, $a3
+; LA64-NEXT: move $t8, $a4
+; LA64-NEXT: #APP
+; LA64-NEXT: #NO_APP
+; LA64-NEXT: fld.d $fs7, $sp, 8 # 8-byte Folded Reload
+; LA64-NEXT: fld.d $fs6, $sp, 16 # 8-byte Folded Reload
+; LA64-NEXT: fld.d $fs5, $sp, 24 # 8-byte Folded Reload
+; LA64-NEXT: fld.d $fs4, $sp, 32 # 8-byte Folded Reload
+; LA64-NEXT: fld.d $fs3, $sp, 40 # 8-byte Folded Reload
+; LA64-NEXT: fld.d $fs2, $sp, 48 # 8-byte Folded Reload
+; LA64-NEXT: fld.d $fs1, $sp, 56 # 8-byte Folded Reload
+; LA64-NEXT: fld.d $fs0, $sp, 64 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $s1, $sp, 72 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $s0, $sp, 80 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $ra, $sp, 88 # 8-byte Folded Reload
+; LA64-NEXT: addi.d $sp, $sp, 96
+; LA64-NEXT: ret
+ %1 = call i32 asm sideeffect "", "={r12}"() nounwind
+ %2 = call i32 asm sideeffect "", "={r13}"() nounwind
+ %3 = call i32 asm sideeffect "", "={r14}"() nounwind
+ %4 = call i32 asm sideeffect "", "={r15}"() nounwind
+ %5 = call i32 asm sideeffect "", "={r20}"() nounwind
+ %6 = call i32 asm sideeffect "", "={r23}"() nounwind
+ %7 = call i32 asm sideeffect "", "={r24}"() nounwind
+ call preserve_mostcc void @preserve_mostcc_func()
+ call void asm sideeffect "", "{r12},{r13},{r14},{r15},{r20},{r23},{r24}"(i32 %1, i32 %2, i32 %3, i32 %4, i32 %5, i32 %6, i32 %7)
+ ret void
+}
+
+define void @preserve_mostcc4() nounwind {
+; LA32-LABEL: preserve_mostcc4:
+; LA32: # %bb.0:
+; LA32-NEXT: addi.w $sp, $sp, -32
+; LA32-NEXT: st.w $ra, $sp, 28 # 4-byte Folded Spill
+; LA32-NEXT: st.w $fp, $sp, 24 # 4-byte Folded Spill
+; LA32-NEXT: st.w $s0, $sp, 20 # 4-byte Folded Spill
+; LA32-NEXT: st.w $s1, $sp, 16 # 4-byte Folded Spill
+; LA32-NEXT: st.w $s2, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: st.w $s3, $sp, 8 # 4-byte Folded Spill
+; LA32-NEXT: st.w $s4, $sp, 4 # 4-byte Folded Spill
+; LA32-NEXT: st.w $s5, $sp, 0 # 4-byte Folded Spill
+; LA32-NEXT: #APP
+; LA32-NEXT: #NO_APP
+; LA32-NEXT: move $fp, $t0
+; LA32-NEXT: #APP
+; LA32-NEXT: #NO_APP
+; LA32-NEXT: move $s2, $t1
+; LA32-NEXT: #APP
+; LA32-NEXT: #NO_APP
+; LA32-NEXT: move $s3, $t2
+; LA32-NEXT: #APP
+; LA32-NEXT: #NO_APP
+; LA32-NEXT: move $s4, $t3
+; LA32-NEXT: #APP
+; LA32-NEXT: #NO_APP
+; LA32-NEXT: move $s5, $t8
+; LA32-NEXT: #APP
+; LA32-NEXT: #NO_APP
+; LA32-NEXT: #APP
+; LA32-NEXT: #NO_APP
+; LA32-NEXT: bl standard_cc_func
+; LA32-NEXT: move $t0, $fp
+; LA32-NEXT: move $t1, $s2
+; LA32-NEXT: move $t2, $s3
+; LA32-NEXT: move $t3, $s4
+; LA32-NEXT: move $t8, $s5
+; LA32-NEXT: #APP
+; LA32-NEXT: #NO_APP
+; LA32-NEXT: ld.w $s5, $sp, 0 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $s4, $sp, 4 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $s3, $sp, 8 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $s2, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $s1, $sp, 16 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $s0, $sp, 20 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $fp, $sp, 24 # 4-byte Folded Reload
+; LA32-NEXT: ld.w $ra, $sp, 28 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 32
+; LA32-NEXT: ret
+;
+; LA64-LABEL: preserve_mostcc4:
+; LA64: # %bb.0:
+; LA64-NEXT: addi.d $sp, $sp, -80
+; LA64-NEXT: st.d $ra, $sp, 72 # 8-byte Folded Spill
+; LA64-NEXT: st.d $fp, $sp, 64 # 8-byte Folded Spill
+; LA64-NEXT: st.d $s0, $sp, 56 # 8-byte Folded Spill
+; LA64-NEXT: st.d $s1, $sp, 48 # 8-byte Folded Spill
+; LA64-NEXT: st.d $s2, $sp, 40 # 8-byte Folded Spill
+; LA64-NEXT: st.d $s3, $sp, 32 # 8-byte Folded Spill
+; LA64-NEXT: st.d $s4, $sp, 24 # 8-byte Folded Spill
+; LA64-NEXT: st.d $s5, $sp, 16 # 8-byte Folded Spill
+; LA64-NEXT: #APP
+; LA64-NEXT: #NO_APP
+; LA64-NEXT: move $fp, $t0
+; LA64-NEXT: #APP
+; LA64-NEXT: #NO_APP
+; LA64-NEXT: move $s2, $t1
+; LA64-NEXT: #APP
+; LA64-NEXT: #NO_APP
+; LA64-NEXT: move $s3, $t2
+; LA64-NEXT: #APP
+; LA64-NEXT: #NO_APP
+; LA64-NEXT: move $s4, $t3
+; LA64-NEXT: #APP
+; LA64-NEXT: #NO_APP
+; LA64-NEXT: move $s5, $t8
+; LA64-NEXT: #APP
+; LA64-NEXT: #NO_APP
+; LA64-NEXT: #APP
+; LA64-NEXT: #NO_APP
+; LA64-NEXT: pcaddu18i $ra, %call36(standard_cc_func)
+; LA64-NEXT: jirl $ra, $ra, 0
+; LA64-NEXT: move $t0, $fp
+; LA64-NEXT: move $t1, $s2
+; LA64-NEXT: move $t2, $s3
+; LA64-NEXT: move $t3, $s4
+; LA64-NEXT: move $t8, $s5
+; LA64-NEXT: #APP
+; LA64-NEXT: #NO_APP
+; LA64-NEXT: ld.d $s5, $sp, 16 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $s4, $sp, 24 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $s3, $sp, 32 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $s2, $sp, 40 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $s1, $sp, 48 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $s0, $sp, 56 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $fp, $sp, 64 # 8-byte Folded Reload
+; LA64-NEXT: ld.d $ra, $sp, 72 # 8-byte Folded Reload
+; LA64-NEXT: addi.d $sp, $sp, 80
+; LA64-NEXT: ret
+ %1 = call i32 asm sideeffect "", "={r12}"() nounwind
+ %2 = call i32 asm sideeffect "", "={r13}"() nounwind
+ %3 = call i32 asm sideeffect "", "={r14}"() nounwind
+ %4 = call i32 asm sideeffect "", "={r15}"() nounwind
+ %5 = call i32 asm sideeffect "", "={r20}"() nounwind
+ %6 = call i32 asm sideeffect "", "={r23}"() nounwind
+ %7 = call i32 asm sideeffect "", "={r24}"() nounwind
+ call void @standard_cc_func()
+ call void asm sideeffect "", "{r12},{r13},{r14},{r15},{r20},{r23},{r24}"(i32 %1, i32 %2, i32 %3, i32 %4, i32 %5, i32 %6, i32 %7)
+ ret void
+}
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-31 14:54:40 +0000