Skip to content

[LoongArch][NFC] Pre-commit tests for flog2 #162976

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom
Open
wants to merge 1 commit into
base: main
Choose a base branch
from
Open

[LoongArch][NFC] Pre-commit tests for flog2 #162976

wants to merge 1 commit into from
+458 −0

Conversation

ylzsx
Copy link
Contributor

@ylzsx ylzsx commented Oct 11, 2025

No description provided.

@llvmbot
Copy link
Member

llvmbot commented Oct 11, 2025

@llvm/pr-subscribers-backend-loongarch

Author: Zhaoxin Yang (ylzsx)

Changes

Patch is 20.92 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/162976.diff

3 Files Affected:

  • (added) llvm/test/CodeGen/LoongArch/ir-instruction/flog2.ll (+32)
  • (added) llvm/test/CodeGen/LoongArch/lasx/ir-instruction/flog2.ll (+264)
  • (added) llvm/test/CodeGen/LoongArch/lsx/ir-instruction/flog2.ll (+162)
diff --git a/llvm/test/CodeGen/LoongArch/ir-instruction/flog2.ll b/llvm/test/CodeGen/LoongArch/ir-instruction/flog2.ll
new file mode 100644
index 0000000000000..93fcd421e4bd7
--- /dev/null
+++ b/llvm/test/CodeGen/LoongArch/ir-instruction/flog2.ll
@@ -0,0 +1,32 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
+; RUN: llc --mtriple=loongarch32 --mattr=+d < %s | FileCheck %s --check-prefix=LA32
+; RUN: llc --mtriple=loongarch64 --mattr=+d < %s | FileCheck %s --check-prefix=LA64
+
+declare float @llvm.log2.f32(float)
+declare double @llvm.log2.f64(double)
+
+define float @flog2_s(float %x) nounwind {
+; LA32-LABEL: flog2_s:
+; LA32:       # %bb.0:
+; LA32-NEXT:    b log2f
+;
+; LA64-LABEL: flog2_s:
+; LA64:       # %bb.0:
+; LA64-NEXT:    pcaddu18i $t8, %call36(log2f)
+; LA64-NEXT:    jr $t8
+  %y = call float @llvm.log2.f32(float %x)
+  ret float %y
+}
+
+define double @flog2_d(double %x) nounwind {
+; LA32-LABEL: flog2_d:
+; LA32:       # %bb.0:
+; LA32-NEXT:    b log2
+;
+; LA64-LABEL: flog2_d:
+; LA64:       # %bb.0:
+; LA64-NEXT:    pcaddu18i $t8, %call36(log2)
+; LA64-NEXT:    jr $t8
+  %y = call double @llvm.log2.f64(double %x)
+  ret double %y
+}
diff --git a/llvm/test/CodeGen/LoongArch/lasx/ir-instruction/flog2.ll b/llvm/test/CodeGen/LoongArch/lasx/ir-instruction/flog2.ll
new file mode 100644
index 0000000000000..68f2e3ab488e1
--- /dev/null
+++ b/llvm/test/CodeGen/LoongArch/lasx/ir-instruction/flog2.ll
@@ -0,0 +1,264 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
+; RUN: llc --mtriple=loongarch32 --mattr=+32s,+lasx < %s | FileCheck %s --check-prefix=LA32
+; RUN: llc --mtriple=loongarch64 --mattr=+lasx < %s | FileCheck %s --check-prefix=LA64
+
+declare <8 x float> @llvm.log2.v8f32(<8 x float>)
+declare <4 x double> @llvm.log2.v4f64(<4 x double>)
+
+define void @flog2_v8f32(ptr %res, ptr %a) nounwind {
+; LA32-LABEL: flog2_v8f32:
+; LA32:       # %bb.0: # %entry
+; LA32-NEXT:    addi.w $sp, $sp, -128
+; LA32-NEXT:    st.w $ra, $sp, 124 # 4-byte Folded Spill
+; LA32-NEXT:    st.w $fp, $sp, 120 # 4-byte Folded Spill
+; LA32-NEXT:    xvld $xr0, $a1, 0
+; LA32-NEXT:    xvst $xr0, $sp, 80 # 32-byte Folded Spill
+; LA32-NEXT:    move $fp, $a0
+; LA32-NEXT:    xvpickve.w $xr0, $xr0, 5
+; LA32-NEXT:    # kill: def $f0 killed $f0 killed $xr0
+; LA32-NEXT:    bl log2f
+; LA32-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA32-NEXT:    vst $vr0, $sp, 48 # 16-byte Folded Spill
+; LA32-NEXT:    xvld $xr0, $sp, 80 # 32-byte Folded Reload
+; LA32-NEXT:    xvpickve.w $xr0, $xr0, 4
+; LA32-NEXT:    # kill: def $f0 killed $f0 killed $xr0
+; LA32-NEXT:    bl log2f
+; LA32-NEXT:    # kill: def $f0 killed $f0 def $xr0
+; LA32-NEXT:    vld $vr1, $sp, 48 # 16-byte Folded Reload
+; LA32-NEXT:    vextrins.w $vr0, $vr1, 16
+; LA32-NEXT:    xvst $xr0, $sp, 48 # 32-byte Folded Spill
+; LA32-NEXT:    xvld $xr0, $sp, 80 # 32-byte Folded Reload
+; LA32-NEXT:    xvpickve.w $xr0, $xr0, 6
+; LA32-NEXT:    # kill: def $f0 killed $f0 killed $xr0
+; LA32-NEXT:    bl log2f
+; LA32-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA32-NEXT:    xvld $xr1, $sp, 48 # 32-byte Folded Reload
+; LA32-NEXT:    vextrins.w $vr1, $vr0, 32
+; LA32-NEXT:    xvst $xr1, $sp, 48 # 32-byte Folded Spill
+; LA32-NEXT:    xvld $xr0, $sp, 80 # 32-byte Folded Reload
+; LA32-NEXT:    xvpickve.w $xr0, $xr0, 7
+; LA32-NEXT:    # kill: def $f0 killed $f0 killed $xr0
+; LA32-NEXT:    bl log2f
+; LA32-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA32-NEXT:    xvld $xr1, $sp, 48 # 32-byte Folded Reload
+; LA32-NEXT:    vextrins.w $vr1, $vr0, 48
+; LA32-NEXT:    xvst $xr1, $sp, 48 # 32-byte Folded Spill
+; LA32-NEXT:    xvld $xr0, $sp, 80 # 32-byte Folded Reload
+; LA32-NEXT:    xvpickve.w $xr0, $xr0, 1
+; LA32-NEXT:    # kill: def $f0 killed $f0 killed $xr0
+; LA32-NEXT:    bl log2f
+; LA32-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA32-NEXT:    vst $vr0, $sp, 16 # 16-byte Folded Spill
+; LA32-NEXT:    xvld $xr0, $sp, 80 # 32-byte Folded Reload
+; LA32-NEXT:    xvpickve.w $xr0, $xr0, 0
+; LA32-NEXT:    # kill: def $f0 killed $f0 killed $xr0
+; LA32-NEXT:    bl log2f
+; LA32-NEXT:    # kill: def $f0 killed $f0 def $xr0
+; LA32-NEXT:    vld $vr1, $sp, 16 # 16-byte Folded Reload
+; LA32-NEXT:    vextrins.w $vr0, $vr1, 16
+; LA32-NEXT:    xvst $xr0, $sp, 16 # 32-byte Folded Spill
+; LA32-NEXT:    xvld $xr0, $sp, 80 # 32-byte Folded Reload
+; LA32-NEXT:    xvpickve.w $xr0, $xr0, 2
+; LA32-NEXT:    # kill: def $f0 killed $f0 killed $xr0
+; LA32-NEXT:    bl log2f
+; LA32-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA32-NEXT:    xvld $xr1, $sp, 16 # 32-byte Folded Reload
+; LA32-NEXT:    vextrins.w $vr1, $vr0, 32
+; LA32-NEXT:    xvst $xr1, $sp, 16 # 32-byte Folded Spill
+; LA32-NEXT:    xvld $xr0, $sp, 80 # 32-byte Folded Reload
+; LA32-NEXT:    xvpickve.w $xr0, $xr0, 3
+; LA32-NEXT:    # kill: def $f0 killed $f0 killed $xr0
+; LA32-NEXT:    bl log2f
+; LA32-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA32-NEXT:    xvld $xr1, $sp, 16 # 32-byte Folded Reload
+; LA32-NEXT:    vextrins.w $vr1, $vr0, 48
+; LA32-NEXT:    xvld $xr0, $sp, 48 # 32-byte Folded Reload
+; LA32-NEXT:    xvpermi.q $xr1, $xr0, 2
+; LA32-NEXT:    xvst $xr1, $fp, 0
+; LA32-NEXT:    ld.w $fp, $sp, 120 # 4-byte Folded Reload
+; LA32-NEXT:    ld.w $ra, $sp, 124 # 4-byte Folded Reload
+; LA32-NEXT:    addi.w $sp, $sp, 128
+; LA32-NEXT:    ret
+;
+; LA64-LABEL: flog2_v8f32:
+; LA64:       # %bb.0: # %entry
+; LA64-NEXT:    addi.d $sp, $sp, -128
+; LA64-NEXT:    st.d $ra, $sp, 120 # 8-byte Folded Spill
+; LA64-NEXT:    st.d $fp, $sp, 112 # 8-byte Folded Spill
+; LA64-NEXT:    xvld $xr0, $a1, 0
+; LA64-NEXT:    xvst $xr0, $sp, 80 # 32-byte Folded Spill
+; LA64-NEXT:    move $fp, $a0
+; LA64-NEXT:    xvpickve.w $xr0, $xr0, 5
+; LA64-NEXT:    # kill: def $f0 killed $f0 killed $xr0
+; LA64-NEXT:    pcaddu18i $ra, %call36(log2f)
+; LA64-NEXT:    jirl $ra, $ra, 0
+; LA64-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA64-NEXT:    vst $vr0, $sp, 48 # 16-byte Folded Spill
+; LA64-NEXT:    xvld $xr0, $sp, 80 # 32-byte Folded Reload
+; LA64-NEXT:    xvpickve.w $xr0, $xr0, 4
+; LA64-NEXT:    # kill: def $f0 killed $f0 killed $xr0
+; LA64-NEXT:    pcaddu18i $ra, %call36(log2f)
+; LA64-NEXT:    jirl $ra, $ra, 0
+; LA64-NEXT:    # kill: def $f0 killed $f0 def $xr0
+; LA64-NEXT:    vld $vr1, $sp, 48 # 16-byte Folded Reload
+; LA64-NEXT:    vextrins.w $vr0, $vr1, 16
+; LA64-NEXT:    xvst $xr0, $sp, 48 # 32-byte Folded Spill
+; LA64-NEXT:    xvld $xr0, $sp, 80 # 32-byte Folded Reload
+; LA64-NEXT:    xvpickve.w $xr0, $xr0, 6
+; LA64-NEXT:    # kill: def $f0 killed $f0 killed $xr0
+; LA64-NEXT:    pcaddu18i $ra, %call36(log2f)
+; LA64-NEXT:    jirl $ra, $ra, 0
+; LA64-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA64-NEXT:    xvld $xr1, $sp, 48 # 32-byte Folded Reload
+; LA64-NEXT:    vextrins.w $vr1, $vr0, 32
+; LA64-NEXT:    xvst $xr1, $sp, 48 # 32-byte Folded Spill
+; LA64-NEXT:    xvld $xr0, $sp, 80 # 32-byte Folded Reload
+; LA64-NEXT:    xvpickve.w $xr0, $xr0, 7
+; LA64-NEXT:    # kill: def $f0 killed $f0 killed $xr0
+; LA64-NEXT:    pcaddu18i $ra, %call36(log2f)
+; LA64-NEXT:    jirl $ra, $ra, 0
+; LA64-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA64-NEXT:    xvld $xr1, $sp, 48 # 32-byte Folded Reload
+; LA64-NEXT:    vextrins.w $vr1, $vr0, 48
+; LA64-NEXT:    xvst $xr1, $sp, 48 # 32-byte Folded Spill
+; LA64-NEXT:    xvld $xr0, $sp, 80 # 32-byte Folded Reload
+; LA64-NEXT:    xvpickve.w $xr0, $xr0, 1
+; LA64-NEXT:    # kill: def $f0 killed $f0 killed $xr0
+; LA64-NEXT:    pcaddu18i $ra, %call36(log2f)
+; LA64-NEXT:    jirl $ra, $ra, 0
+; LA64-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA64-NEXT:    vst $vr0, $sp, 16 # 16-byte Folded Spill
+; LA64-NEXT:    xvld $xr0, $sp, 80 # 32-byte Folded Reload
+; LA64-NEXT:    xvpickve.w $xr0, $xr0, 0
+; LA64-NEXT:    # kill: def $f0 killed $f0 killed $xr0
+; LA64-NEXT:    pcaddu18i $ra, %call36(log2f)
+; LA64-NEXT:    jirl $ra, $ra, 0
+; LA64-NEXT:    # kill: def $f0 killed $f0 def $xr0
+; LA64-NEXT:    vld $vr1, $sp, 16 # 16-byte Folded Reload
+; LA64-NEXT:    vextrins.w $vr0, $vr1, 16
+; LA64-NEXT:    xvst $xr0, $sp, 16 # 32-byte Folded Spill
+; LA64-NEXT:    xvld $xr0, $sp, 80 # 32-byte Folded Reload
+; LA64-NEXT:    xvpickve.w $xr0, $xr0, 2
+; LA64-NEXT:    # kill: def $f0 killed $f0 killed $xr0
+; LA64-NEXT:    pcaddu18i $ra, %call36(log2f)
+; LA64-NEXT:    jirl $ra, $ra, 0
+; LA64-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA64-NEXT:    xvld $xr1, $sp, 16 # 32-byte Folded Reload
+; LA64-NEXT:    vextrins.w $vr1, $vr0, 32
+; LA64-NEXT:    xvst $xr1, $sp, 16 # 32-byte Folded Spill
+; LA64-NEXT:    xvld $xr0, $sp, 80 # 32-byte Folded Reload
+; LA64-NEXT:    xvpickve.w $xr0, $xr0, 3
+; LA64-NEXT:    # kill: def $f0 killed $f0 killed $xr0
+; LA64-NEXT:    pcaddu18i $ra, %call36(log2f)
+; LA64-NEXT:    jirl $ra, $ra, 0
+; LA64-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA64-NEXT:    xvld $xr1, $sp, 16 # 32-byte Folded Reload
+; LA64-NEXT:    vextrins.w $vr1, $vr0, 48
+; LA64-NEXT:    xvld $xr0, $sp, 48 # 32-byte Folded Reload
+; LA64-NEXT:    xvpermi.q $xr1, $xr0, 2
+; LA64-NEXT:    xvst $xr1, $fp, 0
+; LA64-NEXT:    ld.d $fp, $sp, 112 # 8-byte Folded Reload
+; LA64-NEXT:    ld.d $ra, $sp, 120 # 8-byte Folded Reload
+; LA64-NEXT:    addi.d $sp, $sp, 128
+; LA64-NEXT:    ret
+entry:
+  %v = load <8 x float>, ptr %a
+  %r = call <8 x float> @llvm.log2.v8f32(<8 x float> %v)
+  store <8 x float> %r, ptr %res
+  ret void
+}
+
+define void @flog2_v4f64(ptr %res, ptr %a) nounwind {
+; LA32-LABEL: flog2_v4f64:
+; LA32:       # %bb.0: # %entry
+; LA32-NEXT:    addi.w $sp, $sp, -112
+; LA32-NEXT:    st.w $ra, $sp, 108 # 4-byte Folded Spill
+; LA32-NEXT:    st.w $fp, $sp, 104 # 4-byte Folded Spill
+; LA32-NEXT:    xvld $xr0, $a1, 0
+; LA32-NEXT:    xvst $xr0, $sp, 64 # 32-byte Folded Spill
+; LA32-NEXT:    move $fp, $a0
+; LA32-NEXT:    xvpickve.d $xr0, $xr0, 3
+; LA32-NEXT:    # kill: def $f0_64 killed $f0_64 killed $xr0
+; LA32-NEXT:    bl log2
+; LA32-NEXT:    # kill: def $f0_64 killed $f0_64 def $vr0
+; LA32-NEXT:    vst $vr0, $sp, 32 # 16-byte Folded Spill
+; LA32-NEXT:    xvld $xr0, $sp, 64 # 32-byte Folded Reload
+; LA32-NEXT:    xvpickve.d $xr0, $xr0, 2
+; LA32-NEXT:    # kill: def $f0_64 killed $f0_64 killed $xr0
+; LA32-NEXT:    bl log2
+; LA32-NEXT:    # kill: def $f0_64 killed $f0_64 def $xr0
+; LA32-NEXT:    vld $vr1, $sp, 32 # 16-byte Folded Reload
+; LA32-NEXT:    vextrins.d $vr0, $vr1, 16
+; LA32-NEXT:    xvst $xr0, $sp, 32 # 32-byte Folded Spill
+; LA32-NEXT:    xvld $xr0, $sp, 64 # 32-byte Folded Reload
+; LA32-NEXT:    xvpickve.d $xr0, $xr0, 1
+; LA32-NEXT:    # kill: def $f0_64 killed $f0_64 killed $xr0
+; LA32-NEXT:    bl log2
+; LA32-NEXT:    # kill: def $f0_64 killed $f0_64 def $vr0
+; LA32-NEXT:    vst $vr0, $sp, 16 # 16-byte Folded Spill
+; LA32-NEXT:    xvld $xr0, $sp, 64 # 32-byte Folded Reload
+; LA32-NEXT:    xvpickve.d $xr0, $xr0, 0
+; LA32-NEXT:    # kill: def $f0_64 killed $f0_64 killed $xr0
+; LA32-NEXT:    bl log2
+; LA32-NEXT:    # kill: def $f0_64 killed $f0_64 def $xr0
+; LA32-NEXT:    vld $vr1, $sp, 16 # 16-byte Folded Reload
+; LA32-NEXT:    vextrins.d $vr0, $vr1, 16
+; LA32-NEXT:    xvld $xr1, $sp, 32 # 32-byte Folded Reload
+; LA32-NEXT:    xvpermi.q $xr0, $xr1, 2
+; LA32-NEXT:    xvst $xr0, $fp, 0
+; LA32-NEXT:    ld.w $fp, $sp, 104 # 4-byte Folded Reload
+; LA32-NEXT:    ld.w $ra, $sp, 108 # 4-byte Folded Reload
+; LA32-NEXT:    addi.w $sp, $sp, 112
+; LA32-NEXT:    ret
+;
+; LA64-LABEL: flog2_v4f64:
+; 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 $fp, $sp, 96 # 8-byte Folded Spill
+; LA64-NEXT:    xvld $xr0, $a1, 0
+; LA64-NEXT:    xvst $xr0, $sp, 64 # 32-byte Folded Spill
+; LA64-NEXT:    move $fp, $a0
+; LA64-NEXT:    xvpickve.d $xr0, $xr0, 3
+; LA64-NEXT:    # kill: def $f0_64 killed $f0_64 killed $xr0
+; LA64-NEXT:    pcaddu18i $ra, %call36(log2)
+; LA64-NEXT:    jirl $ra, $ra, 0
+; LA64-NEXT:    # kill: def $f0_64 killed $f0_64 def $vr0
+; LA64-NEXT:    vst $vr0, $sp, 32 # 16-byte Folded Spill
+; LA64-NEXT:    xvld $xr0, $sp, 64 # 32-byte Folded Reload
+; LA64-NEXT:    xvpickve.d $xr0, $xr0, 2
+; LA64-NEXT:    # kill: def $f0_64 killed $f0_64 killed $xr0
+; LA64-NEXT:    pcaddu18i $ra, %call36(log2)
+; LA64-NEXT:    jirl $ra, $ra, 0
+; LA64-NEXT:    # kill: def $f0_64 killed $f0_64 def $xr0
+; LA64-NEXT:    vld $vr1, $sp, 32 # 16-byte Folded Reload
+; LA64-NEXT:    vextrins.d $vr0, $vr1, 16
+; LA64-NEXT:    xvst $xr0, $sp, 32 # 32-byte Folded Spill
+; LA64-NEXT:    xvld $xr0, $sp, 64 # 32-byte Folded Reload
+; LA64-NEXT:    xvpickve.d $xr0, $xr0, 1
+; LA64-NEXT:    # kill: def $f0_64 killed $f0_64 killed $xr0
+; LA64-NEXT:    pcaddu18i $ra, %call36(log2)
+; LA64-NEXT:    jirl $ra, $ra, 0
+; LA64-NEXT:    # kill: def $f0_64 killed $f0_64 def $vr0
+; LA64-NEXT:    vst $vr0, $sp, 16 # 16-byte Folded Spill
+; LA64-NEXT:    xvld $xr0, $sp, 64 # 32-byte Folded Reload
+; LA64-NEXT:    xvpickve.d $xr0, $xr0, 0
+; LA64-NEXT:    # kill: def $f0_64 killed $f0_64 killed $xr0
+; LA64-NEXT:    pcaddu18i $ra, %call36(log2)
+; LA64-NEXT:    jirl $ra, $ra, 0
+; LA64-NEXT:    # kill: def $f0_64 killed $f0_64 def $xr0
+; LA64-NEXT:    vld $vr1, $sp, 16 # 16-byte Folded Reload
+; LA64-NEXT:    vextrins.d $vr0, $vr1, 16
+; LA64-NEXT:    xvld $xr1, $sp, 32 # 32-byte Folded Reload
+; LA64-NEXT:    xvpermi.q $xr0, $xr1, 2
+; LA64-NEXT:    xvst $xr0, $fp, 0
+; LA64-NEXT:    ld.d $fp, $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:
+  %v = load <4 x double>, ptr %a
+  %r = call <4 x double> @llvm.log2.v4f64(<4 x double> %v)
+  store <4 x double> %r, ptr %res
+  ret void
+}
diff --git a/llvm/test/CodeGen/LoongArch/lsx/ir-instruction/flog2.ll b/llvm/test/CodeGen/LoongArch/lsx/ir-instruction/flog2.ll
new file mode 100644
index 0000000000000..e5e75ec617b51
--- /dev/null
+++ b/llvm/test/CodeGen/LoongArch/lsx/ir-instruction/flog2.ll
@@ -0,0 +1,162 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
+; RUN: llc --mtriple=loongarch32 --mattr=+32s,+lsx < %s | FileCheck %s --check-prefix=LA32
+; RUN: llc --mtriple=loongarch64 --mattr=+lsx < %s | FileCheck %s --check-prefix=LA64
+
+declare <4 x float> @llvm.log2.v4f32(<4 x float>)
+declare <2 x double> @llvm.log2.v2f64(<2 x double>)
+
+define void @flog2_v4f32(ptr %res, ptr %a) nounwind {
+; LA32-LABEL: flog2_v4f32:
+; LA32:       # %bb.0: # %entry
+; LA32-NEXT:    addi.w $sp, $sp, -48
+; LA32-NEXT:    st.w $ra, $sp, 44 # 4-byte Folded Spill
+; LA32-NEXT:    st.w $fp, $sp, 40 # 4-byte Folded Spill
+; LA32-NEXT:    vld $vr0, $a1, 0
+; LA32-NEXT:    vst $vr0, $sp, 16 # 16-byte Folded Spill
+; LA32-NEXT:    move $fp, $a0
+; LA32-NEXT:    vreplvei.w $vr0, $vr0, 1
+; LA32-NEXT:    # kill: def $f0 killed $f0 killed $vr0
+; LA32-NEXT:    bl log2f
+; LA32-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA32-NEXT:    vst $vr0, $sp, 0 # 16-byte Folded Spill
+; LA32-NEXT:    vld $vr0, $sp, 16 # 16-byte Folded Reload
+; LA32-NEXT:    vreplvei.w $vr0, $vr0, 0
+; LA32-NEXT:    # kill: def $f0 killed $f0 killed $vr0
+; LA32-NEXT:    bl log2f
+; LA32-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA32-NEXT:    vld $vr1, $sp, 0 # 16-byte Folded Reload
+; LA32-NEXT:    vextrins.w $vr0, $vr1, 16
+; LA32-NEXT:    vst $vr0, $sp, 0 # 16-byte Folded Spill
+; LA32-NEXT:    vld $vr0, $sp, 16 # 16-byte Folded Reload
+; LA32-NEXT:    vreplvei.w $vr0, $vr0, 2
+; LA32-NEXT:    # kill: def $f0 killed $f0 killed $vr0
+; LA32-NEXT:    bl log2f
+; LA32-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA32-NEXT:    vld $vr1, $sp, 0 # 16-byte Folded Reload
+; LA32-NEXT:    vextrins.w $vr1, $vr0, 32
+; LA32-NEXT:    vst $vr1, $sp, 0 # 16-byte Folded Spill
+; LA32-NEXT:    vld $vr0, $sp, 16 # 16-byte Folded Reload
+; LA32-NEXT:    vreplvei.w $vr0, $vr0, 3
+; LA32-NEXT:    # kill: def $f0 killed $f0 killed $vr0
+; LA32-NEXT:    bl log2f
+; LA32-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA32-NEXT:    vld $vr1, $sp, 0 # 16-byte Folded Reload
+; LA32-NEXT:    vextrins.w $vr1, $vr0, 48
+; LA32-NEXT:    vst $vr1, $fp, 0
+; LA32-NEXT:    ld.w $fp, $sp, 40 # 4-byte Folded Reload
+; LA32-NEXT:    ld.w $ra, $sp, 44 # 4-byte Folded Reload
+; LA32-NEXT:    addi.w $sp, $sp, 48
+; LA32-NEXT:    ret
+;
+; LA64-LABEL: flog2_v4f32:
+; LA64:       # %bb.0: # %entry
+; LA64-NEXT:    addi.d $sp, $sp, -48
+; LA64-NEXT:    st.d $ra, $sp, 40 # 8-byte Folded Spill
+; LA64-NEXT:    st.d $fp, $sp, 32 # 8-byte Folded Spill
+; LA64-NEXT:    vld $vr0, $a1, 0
+; LA64-NEXT:    vst $vr0, $sp, 16 # 16-byte Folded Spill
+; LA64-NEXT:    move $fp, $a0
+; LA64-NEXT:    vreplvei.w $vr0, $vr0, 1
+; LA64-NEXT:    # kill: def $f0 killed $f0 killed $vr0
+; LA64-NEXT:    pcaddu18i $ra, %call36(log2f)
+; LA64-NEXT:    jirl $ra, $ra, 0
+; LA64-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA64-NEXT:    vst $vr0, $sp, 0 # 16-byte Folded Spill
+; LA64-NEXT:    vld $vr0, $sp, 16 # 16-byte Folded Reload
+; LA64-NEXT:    vreplvei.w $vr0, $vr0, 0
+; LA64-NEXT:    # kill: def $f0 killed $f0 killed $vr0
+; LA64-NEXT:    pcaddu18i $ra, %call36(log2f)
+; LA64-NEXT:    jirl $ra, $ra, 0
+; LA64-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA64-NEXT:    vld $vr1, $sp, 0 # 16-byte Folded Reload
+; LA64-NEXT:    vextrins.w $vr0, $vr1, 16
+; LA64-NEXT:    vst $vr0, $sp, 0 # 16-byte Folded Spill
+; LA64-NEXT:    vld $vr0, $sp, 16 # 16-byte Folded Reload
+; LA64-NEXT:    vreplvei.w $vr0, $vr0, 2
+; LA64-NEXT:    # kill: def $f0 killed $f0 killed $vr0
+; LA64-NEXT:    pcaddu18i $ra, %call36(log2f)
+; LA64-NEXT:    jirl $ra, $ra, 0
+; LA64-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA64-NEXT:    vld $vr1, $sp, 0 # 16-byte Folded Reload
+; LA64-NEXT:    vextrins.w $vr1, $vr0, 32
+; LA64-NEXT:    vst $vr1, $sp, 0 # 16-byte Folded Spill
+; LA64-NEXT:    vld $vr0, $sp, 16 # 16-byte Folded Reload
+; LA64-NEXT:    vreplvei.w $vr0, $vr0, 3
+; LA64-NEXT:    # kill: def $f0 killed $f0 killed $vr0
+; LA64-NEXT:    pcaddu18i $ra, %call36(log2f)
+; LA64-NEXT:    jirl $ra, $ra, 0
+; LA64-NEXT:    # kill: def $f0 killed $f0 def $vr0
+; LA64-NEXT:    vld $vr1, $sp, 0 # 16-byte Folded Reload
+; LA64-NEXT:    vextrins.w $vr1, $vr0, 48
+; LA64-NEXT:    vst $vr1, $fp, 0
+; LA64-NEXT:    ld.d $fp, $sp, 32 # 8-byte Folded Reload
+; LA64-NEXT:    ld.d $ra, $sp, 40 # 8-byte Folded Reload
+; LA64-NEXT:    addi.d $sp, $sp, 48
+; LA64-NEXT:    ret
+entry:
+  %v = load <4 x float>, ptr %a
+  %r = call <4 x float> @llvm.log2.v4f32(<4 x float> %v)
+  store <4 x float> %r, ptr %res
+  ret void
+}
+
+define void @flog2_v2f64(ptr %res, ptr %a) nounwind {
+; LA32-LABEL: flog2_v2f64:
+; LA32:       # %bb.0: # %entry
+; LA32-NEXT:    addi.w $sp, $sp, -48
+; LA32-NEXT:    st.w $ra, $sp, 44 # 4-byte Folded Spill
+; LA32-NEXT:    st.w $fp, $sp, 40 # 4-byte Folded Spill
+; LA32-NEXT:    vld $vr0, $a1, 0
+; LA32-NEXT:    vst $vr0, $sp, 0 # 16-byte Folded Spill
+; LA32-NEXT:    move $fp, $a0
+; LA32-NEXT:    vreplvei.d $vr0, $vr0, 1
+; LA32-NEXT:    # kill: def $f0_64 killed $f0_64 killed $vr0
+; LA32-NEXT:    bl log2
+; LA32-NEXT:    # kill: def $f0_64 killed $f0_64 def $vr0
+; LA32-NEXT:    vst $vr0, $sp, 16 # 16-byte Folded Spill
+; LA32-NEXT:    vld $vr0, $sp, 0 # 16-byte Folded Reload
+; LA32-NEXT:    vreplvei.d $vr0, $vr0, 0
+; LA32-NEXT:    # kill: def $f0_64 killed $f0_64 killed $vr0
+; LA32-NEXT:    bl log2
+; LA32-NEXT:    # kill: def $f0_64 killed $f0_64 def $vr0
+; LA32-NEXT:    vld $vr1, $sp, 16 # 16-byte Folded Reload
+; LA32-NEXT:    vextrins.d $vr0, $vr1, 16
+; LA32-NEXT:    vst $vr0, $fp, 0
+; LA32-NEXT:    ld.w $fp, $sp, 40 # 4-byte Folded Reload
+; LA32-NEXT:    ld.w $ra, $sp, 44 # 4-byte Folded Reload
+; LA32-NEXT:    addi.w $sp, $sp, 48
+; LA32-NEXT:    ret
+;
+; LA64-LABEL: flog2_v2f64:
+; LA64:       # %bb.0: # %entry
+; LA64-NEXT:    addi.d $sp, $sp, -48
+; LA64-NEXT:    st.d $ra, $sp, 40 # 8-byte Folded Spill
+; LA64-NEXT:    st.d $fp, $sp, 32 # 8-byte Folded Spill
+; LA64-NEXT:    vld $vr0, $a1, 0
+; LA64-NEXT:    vst $vr0, $sp, 0 # 16-byte Folded Spill
+; LA64-NEXT:    move $fp, $a0
+; LA64-NEXT:    vreplvei.d $vr0, $vr0, 1
+; LA64-NEXT:    # kill: def $f0_64 killed $f0_64 killed $vr0
+; LA64-NEXT:...
[truncated]

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Reviewers

No reviews

Assignees

No one assigned

Labels

backend:loongarch

Projects

None yet

Milestone

No milestone

Development

Successfully merging this pull request may close these issues.

2 participants

@ylzsx @llvmbot