[llvm] f1549be - [AArch64] Add ldexp cost-model tests. NFC
David Green via llvm-commits
llvm-commits at lists.llvm.org
Sun Jul 6 08:42:52 PDT 2025
Author: David Green
Date: 2025-07-06T16:42:47+01:00
New Revision: f1549befc1254c93ee0b6240f387fc74460c779b
URL: https://github.com/llvm/llvm-project/commit/f1549befc1254c93ee0b6240f387fc74460c779b
DIFF: https://github.com/llvm/llvm-project/commit/f1549befc1254c93ee0b6240f387fc74460c779b.diff
LOG: [AArch64] Add ldexp cost-model tests. NFC
Add costmodel test coverage for ldexp. The codegen for SVE is not implemented
yet. Costs should improve with #146373.
Added:
llvm/test/Analysis/CostModel/AArch64/ldexp.ll
llvm/test/Analysis/CostModel/AArch64/sve-ldexp.ll
Modified:
Removed:
################################################################################
diff --git a/llvm/test/Analysis/CostModel/AArch64/ldexp.ll b/llvm/test/Analysis/CostModel/AArch64/ldexp.ll
new file mode 100644
index 0000000000000..5668416c15641
--- /dev/null
+++ b/llvm/test/Analysis/CostModel/AArch64/ldexp.ll
@@ -0,0 +1,70 @@
+; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
+; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=all -mtriple=aarch64 < %s | FileCheck %s --check-prefixes=CHECK,CHECK-BASE
+; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=all -mtriple=aarch64 -mattr=+sve2 < %s | FileCheck %s --check-prefixes=CHECK,CHECK-SVE
+
+target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
+target triple = "aarch64-linux-gnu"
+
+define void @ldexp() {
+; CHECK-LABEL: 'ldexp'
+; CHECK-NEXT: Cost Model: Found costs of 1 for: %1 = call float @llvm.ldexp.f32.i32(float poison, i32 poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:4 CodeSize:3 Lat:4 SizeLat:4 for: %2 = call <2 x float> @llvm.ldexp.v2f32.v2i32(<2 x float> poison, <2 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:10 CodeSize:7 Lat:10 SizeLat:10 for: %3 = call <4 x float> @llvm.ldexp.v4f32.v4i32(<4 x float> poison, <4 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:20 CodeSize:14 Lat:20 SizeLat:20 for: %4 = call <8 x float> @llvm.ldexp.v8f32.v8i32(<8 x float> poison, <8 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:40 CodeSize:28 Lat:40 SizeLat:40 for: %5 = call <16 x float> @llvm.ldexp.v16f32.v16i32(<16 x float> poison, <16 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of 1 for: %6 = call double @llvm.ldexp.f64.i32(double poison, i32 poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:4 CodeSize:3 Lat:4 SizeLat:4 for: %7 = call <2 x double> @llvm.ldexp.v2f64.v2i32(<2 x double> poison, <2 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:8 CodeSize:6 Lat:8 SizeLat:8 for: %8 = call <4 x double> @llvm.ldexp.v4f64.v4i32(<4 x double> poison, <4 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:16 CodeSize:12 Lat:16 SizeLat:16 for: %9 = call <8 x double> @llvm.ldexp.v8f64.v8i32(<8 x double> poison, <8 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:32 CodeSize:24 Lat:32 SizeLat:32 for: %10 = call <16 x double> @llvm.ldexp.v16f64.v16i32(<16 x double> poison, <16 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
+;
+ call float @llvm.ldexp.f32.i32(float poison, i32 poison)
+ call <2 x float> @llvm.ldexp.v2f32.v2i32(<2 x float> poison, <2 x i32> poison)
+ call <4 x float> @llvm.ldexp.v4f32.v4i32(<4 x float> poison, <4 x i32> poison)
+ call <8 x float> @llvm.ldexp.v8f32.v8i32(<8 x float> poison, <8 x i32> poison)
+ call <16 x float> @llvm.ldexp.v16f32.v16i32(<16 x float> poison, <16 x i32> poison)
+ call double @llvm.ldexp.f64.i32(double poison, i32 poison)
+ call <2 x double> @llvm.ldexp.v2f64.v2i32(<2 x double> poison, <2 x i32> poison)
+ call <4 x double> @llvm.ldexp.v4f64.v4i32(<4 x double> poison, <4 x i32> poison)
+ call <8 x double> @llvm.ldexp.v8f64.v8i32(<8 x double> poison, <8 x i32> poison)
+ call <16 x double> @llvm.ldexp.v16f64.v16i32(<16 x double> poison, <16 x i32> poison)
+ ret void
+}
+
+define void @ldexp_fp16() {
+; CHECK-LABEL: 'ldexp_fp16'
+; CHECK-NEXT: Cost Model: Found costs of 1 for: %1 = call half @llvm.ldexp.f16.i32(half poison, i32 poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:4 CodeSize:3 Lat:4 SizeLat:4 for: %2 = call <2 x half> @llvm.ldexp.v2f16.v2i32(<2 x half> poison, <2 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:10 CodeSize:7 Lat:10 SizeLat:10 for: %3 = call <4 x half> @llvm.ldexp.v4f16.v4i32(<4 x half> poison, <4 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:22 CodeSize:15 Lat:22 SizeLat:22 for: %4 = call <8 x half> @llvm.ldexp.v8f16.v8i32(<8 x half> poison, <8 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:44 CodeSize:30 Lat:44 SizeLat:44 for: %5 = call <16 x half> @llvm.ldexp.v16f16.v16i32(<16 x half> poison, <16 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
+;
+ call half @llvm.ldexp.f16.i32(half poison, i32 poison)
+ call <2 x half> @llvm.ldexp.v2f16.v2i32(<2 x half> poison, <2 x i32> poison)
+ call <4 x half> @llvm.ldexp.v4f16.v4i32(<4 x half> poison, <4 x i32> poison)
+ call <8 x half> @llvm.ldexp.v8f16.v8i32(<8 x half> poison, <8 x i32> poison)
+ call <16 x half> @llvm.ldexp.v16f16.v16i32(<16 x half> poison, <16 x i32> poison)
+ ret void
+}
+
+define void @ldexp_bf16() {
+; CHECK-LABEL: 'ldexp_bf16'
+; CHECK-NEXT: Cost Model: Found costs of 1 for: %1 = call bfloat @llvm.ldexp.bf16.i32(bfloat poison, i32 poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:4 CodeSize:3 Lat:4 SizeLat:4 for: %2 = call <2 x bfloat> @llvm.ldexp.v2bf16.v2i32(<2 x bfloat> poison, <2 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:10 CodeSize:7 Lat:10 SizeLat:10 for: %3 = call <4 x bfloat> @llvm.ldexp.v4bf16.v4i32(<4 x bfloat> poison, <4 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:22 CodeSize:15 Lat:22 SizeLat:22 for: %4 = call <8 x bfloat> @llvm.ldexp.v8bf16.v8i32(<8 x bfloat> poison, <8 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:44 CodeSize:30 Lat:44 SizeLat:44 for: %5 = call <16 x bfloat> @llvm.ldexp.v16bf16.v16i32(<16 x bfloat> poison, <16 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
+;
+ call bfloat @llvm.ldexp.bf16.i32(bfloat poison, i32 poison)
+ call <2 x bfloat> @llvm.ldexp.v2bf16.v2i32(<2 x bfloat> poison, <2 x i32> poison)
+ call <4 x bfloat> @llvm.ldexp.v4bf16.v4i32(<4 x bfloat> poison, <4 x i32> poison)
+ call <8 x bfloat> @llvm.ldexp.v8bf16.v8i32(<8 x bfloat> poison, <8 x i32> poison)
+ call <16 x bfloat> @llvm.ldexp.v16bf16.v16i32(<16 x bfloat> poison, <16 x i32> poison)
+ ret void
+}
+;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
+; CHECK-BASE: {{.*}}
+; CHECK-SVE: {{.*}}
diff --git a/llvm/test/Analysis/CostModel/AArch64/sve-ldexp.ll b/llvm/test/Analysis/CostModel/AArch64/sve-ldexp.ll
new file mode 100644
index 0000000000000..037958cf52e26
--- /dev/null
+++ b/llvm/test/Analysis/CostModel/AArch64/sve-ldexp.ll
@@ -0,0 +1,58 @@
+; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
+; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=all -mtriple=aarch64 -mattr=+sve2 < %s | FileCheck %s
+
+target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
+target triple = "aarch64-linux-gnu"
+
+define void @ldexp() {
+; CHECK-LABEL: 'ldexp'
+; CHECK-NEXT: Cost Model: Found costs of Invalid for: %1 = call <vscale x 2 x float> @llvm.ldexp.nxv2f32.nxv2i32(<vscale x 2 x float> poison, <vscale x 2 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of Invalid for: %2 = call <vscale x 4 x float> @llvm.ldexp.nxv4f32.nxv4i32(<vscale x 4 x float> poison, <vscale x 4 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of Invalid for: %3 = call <vscale x 8 x float> @llvm.ldexp.nxv8f32.nxv8i32(<vscale x 8 x float> poison, <vscale x 8 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of Invalid for: %4 = call <vscale x 16 x float> @llvm.ldexp.nxv16f32.nxv16i32(<vscale x 16 x float> poison, <vscale x 16 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of Invalid for: %5 = call <vscale x 2 x double> @llvm.ldexp.nxv2f64.nxv2i32(<vscale x 2 x double> poison, <vscale x 2 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of Invalid for: %6 = call <vscale x 4 x double> @llvm.ldexp.nxv4f64.nxv4i32(<vscale x 4 x double> poison, <vscale x 4 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of Invalid for: %7 = call <vscale x 8 x double> @llvm.ldexp.nxv8f64.nxv8i32(<vscale x 8 x double> poison, <vscale x 8 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of Invalid for: %8 = call <vscale x 16 x double> @llvm.ldexp.nxv16f64.nxv16i32(<vscale x 16 x double> poison, <vscale x 16 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
+;
+ call <vscale x 2 x float> @llvm.ldexp.nxv2f32.nxv2i32(<vscale x 2 x float> poison, <vscale x 2 x i32> poison)
+ call <vscale x 4 x float> @llvm.ldexp.nxv4f32.nxv4i32(<vscale x 4 x float> poison, <vscale x 4 x i32> poison)
+ call <vscale x 8 x float> @llvm.ldexp.nxv8f32.nxv8i32(<vscale x 8 x float> poison, <vscale x 8 x i32> poison)
+ call <vscale x 16 x float> @llvm.ldexp.nxv16f32.nxv16i32(<vscale x 16 x float> poison, <vscale x 16 x i32> poison)
+ call <vscale x 2 x double> @llvm.ldexp.nxv2f64.nxv2i32(<vscale x 2 x double> poison, <vscale x 2 x i32> poison)
+ call <vscale x 4 x double> @llvm.ldexp.nxv4f64.nxv4i32(<vscale x 4 x double> poison, <vscale x 4 x i32> poison)
+ call <vscale x 8 x double> @llvm.ldexp.nxv8f64.nxv8i32(<vscale x 8 x double> poison, <vscale x 8 x i32> poison)
+ call <vscale x 16 x double> @llvm.ldexp.nxv16f64.nxv16i32(<vscale x 16 x double> poison, <vscale x 16 x i32> poison)
+ ret void
+}
+
+define void @ldexp_fp16() {
+; CHECK-LABEL: 'ldexp_fp16'
+; CHECK-NEXT: Cost Model: Found costs of Invalid for: %1 = call <vscale x 2 x half> @llvm.ldexp.nxv2f16.nxv2i32(<vscale x 2 x half> poison, <vscale x 2 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of Invalid for: %2 = call <vscale x 4 x half> @llvm.ldexp.nxv4f16.nxv4i32(<vscale x 4 x half> poison, <vscale x 4 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of Invalid for: %3 = call <vscale x 8 x half> @llvm.ldexp.nxv8f16.nxv8i32(<vscale x 8 x half> poison, <vscale x 8 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of Invalid for: %4 = call <vscale x 16 x half> @llvm.ldexp.nxv16f16.nxv16i32(<vscale x 16 x half> poison, <vscale x 16 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
+;
+ call <vscale x 2 x half> @llvm.ldexp.nxv2f16.nxv2i32(<vscale x 2 x half> poison, <vscale x 2 x i32> poison)
+ call <vscale x 4 x half> @llvm.ldexp.nxv4f16.nxv4i32(<vscale x 4 x half> poison, <vscale x 4 x i32> poison)
+ call <vscale x 8 x half> @llvm.ldexp.nxv8f16.nxv8i32(<vscale x 8 x half> poison, <vscale x 8 x i32> poison)
+ call <vscale x 16 x half> @llvm.ldexp.nxv16f16.nxv16i32(<vscale x 16 x half> poison, <vscale x 16 x i32> poison)
+ ret void
+}
+
+define void @ldexp_bf16() {
+; CHECK-LABEL: 'ldexp_bf16'
+; CHECK-NEXT: Cost Model: Found costs of Invalid for: %1 = call <vscale x 2 x bfloat> @llvm.ldexp.nxv2bf16.nxv2i32(<vscale x 2 x bfloat> poison, <vscale x 2 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of Invalid for: %2 = call <vscale x 4 x bfloat> @llvm.ldexp.nxv4bf16.nxv4i32(<vscale x 4 x bfloat> poison, <vscale x 4 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of Invalid for: %3 = call <vscale x 8 x bfloat> @llvm.ldexp.nxv8bf16.nxv8i32(<vscale x 8 x bfloat> poison, <vscale x 8 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of Invalid for: %4 = call <vscale x 16 x bfloat> @llvm.ldexp.nxv16bf16.nxv16i32(<vscale x 16 x bfloat> poison, <vscale x 16 x i32> poison)
+; CHECK-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
+;
+ call <vscale x 2 x bfloat> @llvm.ldexp.nxv2bf16.nxv2i32(<vscale x 2 x bfloat> poison, <vscale x 2 x i32> poison)
+ call <vscale x 4 x bfloat> @llvm.ldexp.nxv4bf16.nxv4i32(<vscale x 4 x bfloat> poison, <vscale x 4 x i32> poison)
+ call <vscale x 8 x bfloat> @llvm.ldexp.nxv8bf16.nxv8i32(<vscale x 8 x bfloat> poison, <vscale x 8 x i32> poison)
+ call <vscale x 16 x bfloat> @llvm.ldexp.nxv16bf16.nxv16i32(<vscale x 16 x bfloat> poison, <vscale x 16 x i32> poison)
+ ret void
+}
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