[LoongArch][NFC] Pre-commit tests for memcmp expansion #166718
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Same test cases as riscv.
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@llvm/pr-subscribers-backend-loongarch Author: ZhaoQi (zhaoqi5) ChangesSame test cases as riscv. Patch is 79.91 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/166718.diff 2 Files Affected:
diff --git a/llvm/test/CodeGen/LoongArch/expandmemcmp-optsize.ll b/llvm/test/CodeGen/LoongArch/expandmemcmp-optsize.ll
new file mode 100644
index 0000000000000..82fe899bb795b
--- /dev/null
+++ b/llvm/test/CodeGen/LoongArch/expandmemcmp-optsize.ll
@@ -0,0 +1,1147 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
+; RUN: sed 's/iGRLen/i32/g' %s | llc --mtriple=loongarch32 --mattr=+ual \
+; RUN: | FileCheck %s --check-prefixes=CHECK,LA32,LA32-UAL
+; RUN: sed 's/iGRLen/i64/g' %s | llc --mtriple=loongarch64 --mattr=+ual \
+; RUN: | FileCheck %s --check-prefixes=CHECK,LA64,LA64-UAL
+; RUN: sed 's/iGRLen/i32/g' %s | llc --mtriple=loongarch32 --mattr=-ual \
+; RUN: | FileCheck %s --check-prefixes=CHECK,LA32,LA32-NUAL
+; RUN: sed 's/iGRLen/i64/g' %s | llc --mtriple=loongarch64 --mattr=-ual \
+; RUN: | FileCheck %s --check-prefixes=CHECK,LA64,LA64-NUAL
+
+declare i32 @bcmp(ptr, ptr, iGRLen) nounwind readonly
+declare i32 @memcmp(ptr, ptr, iGRLen) nounwind readonly
+
+define i32 @bcmp_size_0(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_size_0:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: move $a2, $zero
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_size_0:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: move $a2, $zero
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; 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
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 0)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_1(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_size_1:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 1
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_size_1:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: ori $a2, $zero, 1
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; 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
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 1)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_2(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_size_2:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 2
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_size_2:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: ori $a2, $zero, 2
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; 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
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 2)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_3(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_size_3:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 3
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_size_3:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: ori $a2, $zero, 3
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; 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
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 3)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_4(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_size_4:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 4
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_size_4:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: ori $a2, $zero, 4
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; 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
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 4)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_5(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_size_5:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 5
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_size_5:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: ori $a2, $zero, 5
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; 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
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 5)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_6(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_size_6:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 6
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_size_6:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: ori $a2, $zero, 6
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; 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
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 6)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_7(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_size_7:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 7
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_size_7:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: ori $a2, $zero, 7
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; 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
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 7)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_8(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_size_8:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 8
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_size_8:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: ori $a2, $zero, 8
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; 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
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 8)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_15(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_size_15:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 15
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_size_15:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: ori $a2, $zero, 15
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; 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
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 15)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_16(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_size_16:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 16
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_size_16:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: ori $a2, $zero, 16
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; 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
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 16)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_31(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_size_31:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 31
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_size_31:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: ori $a2, $zero, 31
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; 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
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 31)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_32(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_size_32:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 32
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_size_32:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: ori $a2, $zero, 32
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; 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
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 32)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_63(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_size_63:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 63
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_size_63:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: ori $a2, $zero, 63
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; 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
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 63)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_64(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_size_64:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 64
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_size_64:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: ori $a2, $zero, 64
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; 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
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 64)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_127(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_size_127:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 127
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_size_127:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: ori $a2, $zero, 127
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; 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
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 127)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_128(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_size_128:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 128
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_size_128:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: ori $a2, $zero, 128
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; 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
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 128)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_runtime(ptr %s1, ptr %s2, iGRLen %len) nounwind optsize {
+; LA32-LABEL: bcmp_size_runtime:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_size_runtime:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; 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
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen %len)
+ ret i32 %bcmp
+}
+
+define i1 @bcmp_eq_zero(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_eq_zero:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 4
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: sltui $a0, $a0, 1
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_eq_zero:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: ori $a2, $zero, 4
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; LA64-NEXT: jirl $ra, $ra, 0
+; LA64-NEXT: sltui $a0, $a0, 1
+; LA64-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload
+; LA64-NEXT: addi.d $sp, $sp, 16
+; LA64-NEXT: ret
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 4)
+ %ret = icmp eq i32 %bcmp, 0
+ ret i1 %ret
+}
+
+define i1 @bcmp_lt_zero(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_lt_zero:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 4
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: srli.w $a0, $a0, 31
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_lt_zero:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: ori $a2, $zero, 4
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; LA64-NEXT: jirl $ra, $ra, 0
+; LA64-NEXT: slti $a0, $a0, 0
+; LA64-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload
+; LA64-NEXT: addi.d $sp, $sp, 16
+; LA64-NEXT: ret
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 4)
+ %ret = icmp slt i32 %bcmp, 0
+ ret i1 %ret
+}
+
+define i1 @bcmp_gt_zero(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: bcmp_gt_zero:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 4
+; LA32-NEXT: bl bcmp
+; LA32-NEXT: slt $a0, $zero, $a0
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: bcmp_gt_zero:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: addi.d $sp, $sp, -16
+; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
+; LA64-NEXT: ori $a2, $zero, 4
+; LA64-NEXT: pcaddu18i $ra, %call36(bcmp)
+; LA64-NEXT: jirl $ra, $ra, 0
+; LA64-NEXT: slt $a0, $zero, $a0
+; LA64-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload
+; LA64-NEXT: addi.d $sp, $sp, 16
+; LA64-NEXT: ret
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iGRLen 4)
+ %ret = icmp sgt i32 %bcmp, 0
+ ret i1 %ret
+}
+
+define i32 @memcmp_size_0(ptr %s1, ptr %s2) nounwind optsize {
+; CHECK-LABEL: memcmp_size_0:
+; CHECK: # %bb.0: # %entry
+; CHECK-NEXT: move $a0, $zero
+; CHECK-NEXT: ret
+entry:
+ %memcmp = call signext i32 @memcmp(ptr %s1, ptr %s2, iGRLen 0)
+ ret i32 %memcmp
+}
+
+define i32 @memcmp_size_1(ptr %s1, ptr %s2) nounwind optsize {
+; LA32-LABEL: memcmp_size_1:
+; LA32: # %bb.0: # %entry
+; LA32-NEXT: addi.w $sp, $sp, -16
+; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
+; LA32-NEXT: ori $a2, $zero, 1
+; LA32-NEXT: bl memcmp
+; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
+; LA32-NEXT: addi.w $sp, $sp, 16
+; LA32-NEXT: ret
+;
+; LA64-LABEL: memcmp_size_1:
+; LA64: # %bb.0: # %entry
+; LA64-NEXT: ...
[truncated]
|
SixWeining
reviewed
Nov 7, 2025
SixWeining
approved these changes
Nov 7, 2025
Collaborator
|
LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/24/builds/14533 Here is the relevant piece of the build log for the reference |
Collaborator
|
LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/168/builds/16932 Here is the relevant piece of the build log for the reference |
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Test cases are similar as riscv.