AMDGPU: Add cost model tests for minimumnum/maximumnum

[arsenm]

The f16 cases in particular look broken since every vector size
has the same reported cost.

[arsenm]

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• AMDGPU: Report special input intrinsics as free #141948
• AMDGPU: Add baseline cost model tests for special argument intrinsics #141947
• AMDGPU: Cost model for minimumnum/maximumnum #141946
• AMDGPU: Move fpenvIEEEMode into TTI #141945
• AMDGPU: Reduce cost of f64 copysign #141944
• AMDGPU: Fix cost model for 16-bit operations on gfx8 #141943
• AMDGPU: Add cost model tests for minimumnum/maximumnum #141904 👈 (View in Graphite)
• AMDGPU: Directly select minimumnum/maximumnum with ieee_mode=0 #141903
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[llvmbot]

@llvm/pr-subscribers-llvm-analysis

@llvm/pr-subscribers-backend-amdgpu

Author: Matt Arsenault (arsenm)

Changes

The f16 cases in particular look broken since every vector size
has the same reported cost.

---

Patch is 80.97 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/141904.diff

2 Files Affected:

• (added) llvm/test/Analysis/CostModel/AMDGPU/maximumnum.ll (+378)
• (added) llvm/test/Analysis/CostModel/AMDGPU/minimumnum.ll (+378)

diff --git a/llvm/test/Analysis/CostModel/AMDGPU/maximumnum.ll b/llvm/test/Analysis/CostModel/AMDGPU/maximumnum.ll
new file mode 100644
index 0000000000000..3d16f68581fd6
--- /dev/null
+++ b/llvm/test/Analysis/CostModel/AMDGPU/maximumnum.ll
@@ -0,0 +1,378 @@
+; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx700 < %s | FileCheck -check-prefixes=ALL,GFX7 %s
+; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx900 < %s | FileCheck -check-prefixes=ALL,GFX9 %s
+; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx1200 < %s | FileCheck -check-prefixes=ALL,GFX12 %s
+
+; RUN: opt -passes="print<cost-model>" -cost-kind=code-size 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx700 < %s | FileCheck -check-prefixes=SIZE,GFX7-SIZE %s
+; RUN: opt -passes="print<cost-model>" -cost-kind=code-size 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx900 -mattr=+half-rate-64-ops < %s | FileCheck -check-prefixes=SIZE,GFX9-SIZE %s
+; RUN: opt -passes="print<cost-model>" -cost-kind=code-size 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx1200 < %s | FileCheck -check-prefixes=SIZE,GFX12-SIZE %s
+
+define void @maximumnum_f16() {
+; GFX7-LABEL: 'maximumnum_f16'
+; GFX7-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %f16 = call half @llvm.maximumnum.f16(half poison, half poison)
+; GFX7-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v2f16 = call <2 x half> @llvm.maximumnum.v2f16(<2 x half> poison, <2 x half> poison)
+; GFX7-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v3f16 = call <3 x half> @llvm.maximumnum.v3f16(<3 x half> poison, <3 x half> poison)
+; GFX7-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v4f16 = call <4 x half> @llvm.maximumnum.v4f16(<4 x half> poison, <4 x half> poison)
+; GFX7-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %v8f16 = call <8 x half> @llvm.maximumnum.v8f16(<8 x half> poison, <8 x half> poison)
+; GFX7-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %v16f16 = call <16 x half> @llvm.maximumnum.v16f16(<16 x half> poison, <16 x half> poison)
+; GFX7-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: ret void
+;
+; GFX9-LABEL: 'maximumnum_f16'
+; GFX9-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %f16 = call half @llvm.maximumnum.f16(half poison, half poison)
+; GFX9-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v2f16 = call <2 x half> @llvm.maximumnum.v2f16(<2 x half> poison, <2 x half> poison)
+; GFX9-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v3f16 = call <3 x half> @llvm.maximumnum.v3f16(<3 x half> poison, <3 x half> poison)
+; GFX9-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v4f16 = call <4 x half> @llvm.maximumnum.v4f16(<4 x half> poison, <4 x half> poison)
+; GFX9-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v8f16 = call <8 x half> @llvm.maximumnum.v8f16(<8 x half> poison, <8 x half> poison)
+; GFX9-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v16f16 = call <16 x half> @llvm.maximumnum.v16f16(<16 x half> poison, <16 x half> poison)
+; GFX9-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: ret void
+;
+; GFX12-LABEL: 'maximumnum_f16'
+; GFX12-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %f16 = call half @llvm.maximumnum.f16(half poison, half poison)
+; GFX12-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v2f16 = call <2 x half> @llvm.maximumnum.v2f16(<2 x half> poison, <2 x half> poison)
+; GFX12-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v3f16 = call <3 x half> @llvm.maximumnum.v3f16(<3 x half> poison, <3 x half> poison)
+; GFX12-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v4f16 = call <4 x half> @llvm.maximumnum.v4f16(<4 x half> poison, <4 x half> poison)
+; GFX12-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v8f16 = call <8 x half> @llvm.maximumnum.v8f16(<8 x half> poison, <8 x half> poison)
+; GFX12-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v16f16 = call <16 x half> @llvm.maximumnum.v16f16(<16 x half> poison, <16 x half> poison)
+; GFX12-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: ret void
+;
+; GFX7-SIZE-LABEL: 'maximumnum_f16'
+; GFX7-SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %f16 = call half @llvm.maximumnum.f16(half poison, half poison)
+; GFX7-SIZE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v2f16 = call <2 x half> @llvm.maximumnum.v2f16(<2 x half> poison, <2 x half> poison)
+; GFX7-SIZE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v3f16 = call <3 x half> @llvm.maximumnum.v3f16(<3 x half> poison, <3 x half> poison)
+; GFX7-SIZE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v4f16 = call <4 x half> @llvm.maximumnum.v4f16(<4 x half> poison, <4 x half> poison)
+; GFX7-SIZE-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %v8f16 = call <8 x half> @llvm.maximumnum.v8f16(<8 x half> poison, <8 x half> poison)
+; GFX7-SIZE-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %v16f16 = call <16 x half> @llvm.maximumnum.v16f16(<16 x half> poison, <16 x half> poison)
+; GFX7-SIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret void
+;
+; GFX9-SIZE-LABEL: 'maximumnum_f16'
+; GFX9-SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %f16 = call half @llvm.maximumnum.f16(half poison, half poison)
+; GFX9-SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v2f16 = call <2 x half> @llvm.maximumnum.v2f16(<2 x half> poison, <2 x half> poison)
+; GFX9-SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v3f16 = call <3 x half> @llvm.maximumnum.v3f16(<3 x half> poison, <3 x half> poison)
+; GFX9-SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v4f16 = call <4 x half> @llvm.maximumnum.v4f16(<4 x half> poison, <4 x half> poison)
+; GFX9-SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v8f16 = call <8 x half> @llvm.maximumnum.v8f16(<8 x half> poison, <8 x half> poison)
+; GFX9-SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v16f16 = call <16 x half> @llvm.maximumnum.v16f16(<16 x half> poison, <16 x half> poison)
+; GFX9-SIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret void
+;
+; GFX12-SIZE-LABEL: 'maximumnum_f16'
+; GFX12-SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %f16 = call half @llvm.maximumnum.f16(half poison, half poison)
+; GFX12-SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v2f16 = call <2 x half> @llvm.maximumnum.v2f16(<2 x half> poison, <2 x half> poison)
+; GFX12-SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v3f16 = call <3 x half> @llvm.maximumnum.v3f16(<3 x half> poison, <3 x half> poison)
+; GFX12-SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v4f16 = call <4 x half> @llvm.maximumnum.v4f16(<4 x half> poison, <4 x half> poison)
+; GFX12-SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v8f16 = call <8 x half> @llvm.maximumnum.v8f16(<8 x half> poison, <8 x half> poison)
+; GFX12-SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v16f16 = call <16 x half> @llvm.maximumnum.v16f16(<16 x half> poison, <16 x half> poison)
+; GFX12-SIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret void
+;
+  %f16 = call half @llvm.maximumnum.f16(half poison, half poison)
+  %v2f16 = call <2 x half> @llvm.maximumnum.v2f16(<2 x half> poison, <2 x half> poison)
+  %v3f16 = call <3x half> @llvm.maximumnum.v3f16(<3 x half> poison, <3 x half> poison)
+  %v4f16 = call <4 x half> @llvm.maximumnum.v4f16(<4 x half> poison, <4 x half> poison)
+  %v8f16 = call <8 x half> @llvm.maximumnum.v8f16(<8 x half> poison, <8 x half> poison)
+  %v16f16 = call <16 x half> @llvm.maximumnum.v16f16(<16 x half> poison, <16 x half> poison)
+  ret void
+}
+
+define void @maximumnum_bf16() {
+; GFX7-LABEL: 'maximumnum_bf16'
+; GFX7-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bf16 = call bfloat @llvm.maximumnum.bf16(bfloat poison, bfloat poison)
+; GFX7-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v2bf16 = call <2 x bfloat> @llvm.maximumnum.v2bf16(<2 x bfloat> poison, <2 x bfloat> poison)
+; GFX7-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v3bf16 = call <3 x bfloat> @llvm.maximumnum.v3bf16(<3 x bfloat> poison, <3 x bfloat> poison)
+; GFX7-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v4bf16 = call <4 x bfloat> @llvm.maximumnum.v4bf16(<4 x bfloat> poison, <4 x bfloat> poison)
+; GFX7-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %v8bf16 = call <8 x bfloat> @llvm.maximumnum.v8bf16(<8 x bfloat> poison, <8 x bfloat> poison)
+; GFX7-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %v16bf16 = call <16 x bfloat> @llvm.maximumnum.v16bf16(<16 x bfloat> poison, <16 x bfloat> poison)
+; GFX7-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: ret void
+;
+; GFX9-LABEL: 'maximumnum_bf16'
+; GFX9-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bf16 = call bfloat @llvm.maximumnum.bf16(bfloat poison, bfloat poison)
+; GFX9-NEXT:  Cost Model: Found an estimated cost of 21 for instruction: %v2bf16 = call <2 x bfloat> @llvm.maximumnum.v2bf16(<2 x bfloat> poison, <2 x bfloat> poison)
+; GFX9-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %v3bf16 = call <3 x bfloat> @llvm.maximumnum.v3bf16(<3 x bfloat> poison, <3 x bfloat> poison)
+; GFX9-NEXT:  Cost Model: Found an estimated cost of 43 for instruction: %v4bf16 = call <4 x bfloat> @llvm.maximumnum.v4bf16(<4 x bfloat> poison, <4 x bfloat> poison)
+; GFX9-NEXT:  Cost Model: Found an estimated cost of 87 for instruction: %v8bf16 = call <8 x bfloat> @llvm.maximumnum.v8bf16(<8 x bfloat> poison, <8 x bfloat> poison)
+; GFX9-NEXT:  Cost Model: Found an estimated cost of 175 for instruction: %v16bf16 = call <16 x bfloat> @llvm.maximumnum.v16bf16(<16 x bfloat> poison, <16 x bfloat> poison)
+; GFX9-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: ret void
+;
+; GFX12-LABEL: 'maximumnum_bf16'
+; GFX12-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bf16 = call bfloat @llvm.maximumnum.bf16(bfloat poison, bfloat poison)
+; GFX12-NEXT:  Cost Model: Found an estimated cost of 21 for instruction: %v2bf16 = call <2 x bfloat> @llvm.maximumnum.v2bf16(<2 x bfloat> poison, <2 x bfloat> poison)
+; GFX12-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %v3bf16 = call <3 x bfloat> @llvm.maximumnum.v3bf16(<3 x bfloat> poison, <3 x bfloat> poison)
+; GFX12-NEXT:  Cost Model: Found an estimated cost of 43 for instruction: %v4bf16 = call <4 x bfloat> @llvm.maximumnum.v4bf16(<4 x bfloat> poison, <4 x bfloat> poison)
+; GFX12-NEXT:  Cost Model: Found an estimated cost of 87 for instruction: %v8bf16 = call <8 x bfloat> @llvm.maximumnum.v8bf16(<8 x bfloat> poison, <8 x bfloat> poison)
+; GFX12-NEXT:  Cost Model: Found an estimated cost of 175 for instruction: %v16bf16 = call <16 x bfloat> @llvm.maximumnum.v16bf16(<16 x bfloat> poison, <16 x bfloat> poison)
+; GFX12-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: ret void
+;
+; GFX7-SIZE-LABEL: 'maximumnum_bf16'
+; GFX7-SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bf16 = call bfloat @llvm.maximumnum.bf16(bfloat poison, bfloat poison)
+; GFX7-SIZE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v2bf16 = call <2 x bfloat> @llvm.maximumnum.v2bf16(<2 x bfloat> poison, <2 x bfloat> poison)
+; GFX7-SIZE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v3bf16 = call <3 x bfloat> @llvm.maximumnum.v3bf16(<3 x bfloat> poison, <3 x bfloat> poison)
+; GFX7-SIZE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v4bf16 = call <4 x bfloat> @llvm.maximumnum.v4bf16(<4 x bfloat> poison, <4 x bfloat> poison)
+; GFX7-SIZE-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %v8bf16 = call <8 x bfloat> @llvm.maximumnum.v8bf16(<8 x bfloat> poison, <8 x bfloat> poison)
+; GFX7-SIZE-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %v16bf16 = call <16 x bfloat> @llvm.maximumnum.v16bf16(<16 x bfloat> poison, <16 x bfloat> poison)
+; GFX7-SIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret void
+;
+; GFX9-SIZE-LABEL: 'maximumnum_bf16'
+; GFX9-SIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bf16 = call bfloat @llvm.maximumnum.bf16(bfloat poison, bfloat poison)
+; GFX9-SIZE-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v2bf16 = call <2 x bfloat> @llvm.maximumnum.v2bf16(<2 x bfloat> poison, <2 x bfloat> poison)
+; GFX9-SIZE-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %v3bf16 = call <3 x bfloat> @llvm.maximumnum.v3bf16(<3 x bfloat> poison, <3 x bfloat> poison)
+; GFX9-SIZE-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %v4bf16 = call <4 x bfloat> @llvm.maximumnum.v4bf16(<4 x bfloat> poison, <4 x bfloat> poison)
+; GFX9-SIZE-NEXT:  Cost Model: Found an estimated cost of 15 for instruction: %v8bf16 = call <8 x bfloat> @llvm.maximumnum.v8bf16(<8 x bfloat> poison, <8 x bfloat> poison)
+; GFX9-SIZE-NEXT:  Cost Model: Found an estimated cost of 31 for instruction: %v16bf16 = call <16 x bfloat> @llvm.maximumnum.v16bf16(<16 x bfloat> poison, <16 x bfloat> poison)
+; GFX9-SIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret void
+;
+; GFX12-SIZE-LABEL: 'maximumnum_bf16'
+; GFX12-SIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bf16 = call bfloat @llvm.maximumnum.bf16(bfloat poison, bfloat poison)
+; GFX12-SIZE-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v2bf16 = call <2 x bfloat> @llvm.maximumnum.v2bf16(<2 x bfloat> poison, <2 x bfloat> poison)
+; GFX12-SIZE-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %v3bf16 = call <3 x bfloat> @llvm.maximumnum.v3bf16(<3 x bfloat> poison, <3 x bfloat> poison)
+; GFX12-SIZE-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %v4bf16 = call <4 x bfloat> @llvm.maximumnum.v4bf16(<4 x bfloat> poison, <4 x bfloat> poison)
+; GFX12-SIZE-NEXT:  Cost Model: Found an estimated cost of 15 for instruction: %v8bf16 = call <8 x bfloat> @llvm.maximumnum.v8bf16(<8 x bfloat> poison, <8 x bfloat> poison)
+; GFX12-SIZE-NEXT:  Cost Model: Found an estimated cost of 31 for instruction: %v16bf16 = call <16 x bfloat> @llvm.maximumnum.v16bf16(<16 x bfloat> poison, <16 x bfloat> poison)
+; GFX12-SIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret void
+;
+  %bf16 = call bfloat @llvm.maximumnum.bf16(bfloat poison, bfloat poison)
+  %v2bf16 = call <2 x bfloat> @llvm.maximumnum.v2bf16(<2 x bfloat> poison, <2 x bfloat> poison)
+  %v3bf16 = call <3x bfloat> @llvm.maximumnum.v3bf16(<3 x bfloat> poison, <3 x bfloat> poison)
+  %v4bf16 = call <4 x bfloat> @llvm.maximumnum.v4bf16(<4 x bfloat> poison, <4 x bfloat> poison)
+  %v8bf16 = call <8 x bfloat> @llvm.maximumnum.v8bf16(<8 x bfloat> poison, <8 x bfloat> poison)
+  %v16bf16 = call <16 x bfloat> @llvm.maximumnum.v16bf16(<16 x bfloat> poison, <16 x bfloat> poison)
+  ret void
+}
+
+define void @maximumnum_f32() {
+; ALL-LABEL: 'maximumnum_f32'
+; ALL-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %f32 = call float @llvm.maximumnum.f32(float poison, float poison)
+; ALL-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v2f32 = call <2 x float> @llvm.maximumnum.v2f32(<2 x float> poison, <2 x float> poison)
+; ALL-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v3f32 = call <3 x float> @llvm.maximumnum.v3f32(<3 x float> poison, <3 x float> poison)
+; ALL-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v4f32 = call <4 x float> @llvm.maximumnum.v4f32(<4 x float> poison, <4 x float> poison)
+; ALL-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %v8f32 = call <8 x float> @llvm.maximumnum.v8f32(<8 x float> poison, <8 x float> poison)
+; ALL-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %v16f32 = call <16 x float> @llvm.maximumnum.v16f32(<16 x float> poison, <16 x float> poison)
+; ALL-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: ret void
+;
+; SIZE-LABEL: 'maximumnum_f32'
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %f32 = call float @llvm.maximumnum.f32(float poison, float poison)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v2f32 = call <2 x float> @llvm.maximumnum.v2f32(<2 x float> poison, <2 x float> poison)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v3f32 = call <3 x float> @llvm.maximumnum.v3f32(<3 x float> poison, <3 x float> poison)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v4f32 = call <4 x float> @llvm.maximumnum.v4f32(<4 x float> poison, <4 x float> poison)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %v8f32 = call <8 x float> @llvm.maximumnum.v8f32(<8 x float> poison, <8 x float> poison)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %v16f32 = call <16 x float> @llvm.maximumnum.v16f32(<16 x float> poison, <16 x float> poison)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret void
+;
+  %f32 = call float @llvm.maximumnum.f32(float poison, float poison)
+  %v2f32 = call <2 x float> @llvm.maximumnum.v2f32(<2 x float> poison, <2 x float> poison)
+  %v3f32 = call <3x float> @llvm.maximumnum.v3f32(<3 x float> poison, <3 x float> poison)
+  %v4f32 = call <4 x float> @llvm.maximumnum.v4f32(<4 x float> poison, <4 x float> poison)
+  %v8f32 = call <8 x float> @llvm.maximumnum.v8f32(<8 x float> poison, <8 x float> poison)
+  %v16f32 = call <16 x float> @llvm.maximumnum.v16f32(<16 x float> poison, <16 x float> poison)
+  ret void
+}
+
+define void @maximumnum_f64() {
+; ALL-LABEL: 'maximumnum_f64'
+; ALL-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %f64 = call double @llvm.maximumnum.f64(double poison, double poison)
+; ALL-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v2f64 = call <2 x double> @llvm.maximumnum.v2f64(<2 x double> poison, <2 x double> poison)
+; ALL-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v3f64 = call <3 x double> @llvm.maximumnum.v3f64(<3 x double> poison, <3 x double> poison)
+; ALL-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v4f64 = call <4 x double> @llvm.maximumnum.v4f64(<4 x double> poison, <4 x double> poison)
+; ALL-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %v8f64 = call <8 x double> @llvm.maximumnum.v8f64(<8 x double> poison, <8 x double> poison)
+; ALL-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %v16f64 = call <16 x double> @llvm.maximumnum.v16f64(<16 x double> poison, <16 x double> poison)
+; ALL-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: ret void
+;
+; SIZE-LABEL: 'maximumnum_f64'
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %f64 = call double @llvm.maximumnum.f64(double poison, double poison)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v2f64 = call <2 x double> @llvm.maximumnum.v2f64(<2 x double> poison, <2 x double> poison)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v3f64 = call <3 x double> @llvm.maximumnum.v3f64(<3 x double> poison, <3 x double> poison)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v4f64 = call <4 x double> @llvm.maximumnum.v4f64(<4 x double> poison, <4 x double> poison)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %v8f64 = call <8 x double> @llvm.maximumnum.v8f64(<8 x double> poison, <8 x double> pois...
[truncated]