GlobalISel: fewerElementsVector for a few more trivial ops

llvm-svn: 352165

6 files changed, 332 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fexp.mir b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fexp.mir
new file mode 100644
index 00000000000..d780957daa9
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fexp.mir
@@ -0,0 +1,54 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -run-pass=legalizer %s -o - | FileCheck %s
+
+---
+name: test_fexp_s32
+body: |
+  bb.0:
+    liveins: $vgpr0
+
+    ; CHECK-LABEL: name: test_fexp_s32
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
+    ; CHECK: [[FEXP_:%[0-9]+]]:_(s32) = G_FEXP [[COPY]]
+    ; CHECK: $vgpr0 = COPY [[FEXP_]](s32)
+    %0:_(s32) = COPY $vgpr0
+    %1:_(s32) = G_FEXP %0
+    $vgpr0 = COPY %1
+...
+
+---
+name: test_fexp_v2s32
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1
+
+    ; CHECK-LABEL: name: test_fexp_v2s32
+    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
+    ; CHECK: [[FEXP_:%[0-9]+]]:_(s32) = G_FEXP [[UV]]
+    ; CHECK: [[FEXP_1:%[0-9]+]]:_(s32) = G_FEXP [[UV1]]
+    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[FEXP_]](s32), [[FEXP_1]](s32)
+    ; CHECK: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
+    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
+    %1:_(<2 x s32>) = G_FEXP %0
+    $vgpr0_vgpr1 = COPY %1
+...
+
+---
+name: test_fexp_v3s32
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1_vgpr2
+
+    ; CHECK-LABEL: name: test_fexp_v3s32
+    ; CHECK: [[COPY:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr0_vgpr1_vgpr2
+    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<3 x s32>)
+    ; CHECK: [[FEXP_:%[0-9]+]]:_(s32) = G_FEXP [[UV]]
+    ; CHECK: [[FEXP_1:%[0-9]+]]:_(s32) = G_FEXP [[UV1]]
+    ; CHECK: [[FEXP_2:%[0-9]+]]:_(s32) = G_FEXP [[UV2]]
+    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[FEXP_]](s32), [[FEXP_1]](s32), [[FEXP_2]](s32)
+    ; CHECK: $vgpr0_vgpr1_vgpr2 = COPY [[BUILD_VECTOR]](<3 x s32>)
+    %0:_(<3 x s32>) = COPY $vgpr0_vgpr1_vgpr2
+    %1:_(<3 x  s32>) = G_FEXP %0
+    $vgpr0_vgpr1_vgpr2 = COPY %1
+...
diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fexp2.mir b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fexp2.mir
new file mode 100644
index 00000000000..36ee554cd54
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fexp2.mir
@@ -0,0 +1,54 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -run-pass=legalizer %s -o - | FileCheck %s
+
+---
+name: test_fexp2_s32
+body: |
+  bb.0:
+    liveins: $vgpr0
+
+    ; CHECK-LABEL: name: test_fexp2_s32
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
+    ; CHECK: [[FEXP2_:%[0-9]+]]:_(s32) = G_FEXP2 [[COPY]]
+    ; CHECK: $vgpr0 = COPY [[FEXP2_]](s32)
+    %0:_(s32) = COPY $vgpr0
+    %1:_(s32) = G_FEXP2 %0
+    $vgpr0 = COPY %1
+...
+
+---
+name: test_fexp2_v2s32
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1
+
+    ; CHECK-LABEL: name: test_fexp2_v2s32
+    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
+    ; CHECK: [[FEXP2_:%[0-9]+]]:_(s32) = G_FEXP2 [[UV]]
+    ; CHECK: [[FEXP2_1:%[0-9]+]]:_(s32) = G_FEXP2 [[UV1]]
+    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[FEXP2_]](s32), [[FEXP2_1]](s32)
+    ; CHECK: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
+    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
+    %1:_(<2 x s32>) = G_FEXP2 %0
+    $vgpr0_vgpr1 = COPY %1
+...
+
+---
+name: test_fexp2_v3s32
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1_vgpr2
+
+    ; CHECK-LABEL: name: test_fexp2_v3s32
+    ; CHECK: [[COPY:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr0_vgpr1_vgpr2
+    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<3 x s32>)
+    ; CHECK: [[FEXP2_:%[0-9]+]]:_(s32) = G_FEXP2 [[UV]]
+    ; CHECK: [[FEXP2_1:%[0-9]+]]:_(s32) = G_FEXP2 [[UV1]]
+    ; CHECK: [[FEXP2_2:%[0-9]+]]:_(s32) = G_FEXP2 [[UV2]]
+    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[FEXP2_]](s32), [[FEXP2_1]](s32), [[FEXP2_2]](s32)
+    ; CHECK: $vgpr0_vgpr1_vgpr2 = COPY [[BUILD_VECTOR]](<3 x s32>)
+    %0:_(<3 x s32>) = COPY $vgpr0_vgpr1_vgpr2
+    %1:_(<3 x  s32>) = G_FEXP2 %0
+    $vgpr0_vgpr1_vgpr2 = COPY %1
+...
diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-flog.mir b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-flog.mir
new file mode 100644
index 00000000000..08dd07b88b4
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-flog.mir
@@ -0,0 +1,54 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -run-pass=legalizer %s -o - | FileCheck %s
+
+---
+name: test_flog_s32
+body: |
+  bb.0:
+    liveins: $vgpr0
+
+    ; CHECK-LABEL: name: test_flog_s32
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
+    ; CHECK: [[FLOG:%[0-9]+]]:_(s32) = G_FLOG [[COPY]]
+    ; CHECK: $vgpr0 = COPY [[FLOG]](s32)
+    %0:_(s32) = COPY $vgpr0
+    %1:_(s32) = G_FLOG %0
+    $vgpr0 = COPY %1
+...
+
+---
+name: test_flog_v2s32
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1
+
+    ; CHECK-LABEL: name: test_flog_v2s32
+    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
+    ; CHECK: [[FLOG:%[0-9]+]]:_(s32) = G_FLOG [[UV]]
+    ; CHECK: [[FLOG1:%[0-9]+]]:_(s32) = G_FLOG [[UV1]]
+    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[FLOG]](s32), [[FLOG1]](s32)
+    ; CHECK: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
+    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
+    %1:_(<2 x s32>) = G_FLOG %0
+    $vgpr0_vgpr1 = COPY %1
+...
+
+---
+name: test_flog_v3s32
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1_vgpr2
+
+    ; CHECK-LABEL: name: test_flog_v3s32
+    ; CHECK: [[COPY:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr0_vgpr1_vgpr2
+    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<3 x s32>)
+    ; CHECK: [[FLOG:%[0-9]+]]:_(s32) = G_FLOG [[UV]]
+    ; CHECK: [[FLOG1:%[0-9]+]]:_(s32) = G_FLOG [[UV1]]
+    ; CHECK: [[FLOG2:%[0-9]+]]:_(s32) = G_FLOG [[UV2]]
+    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[FLOG]](s32), [[FLOG1]](s32), [[FLOG2]](s32)
+    ; CHECK: $vgpr0_vgpr1_vgpr2 = COPY [[BUILD_VECTOR]](<3 x s32>)
+    %0:_(<3 x s32>) = COPY $vgpr0_vgpr1_vgpr2
+    %1:_(<3 x  s32>) = G_FLOG %0
+    $vgpr0_vgpr1_vgpr2 = COPY %1
+...
diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-flog10.mir b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-flog10.mir
new file mode 100644
index 00000000000..7bcfa6bff62
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-flog10.mir
@@ -0,0 +1,54 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -run-pass=legalizer %s -o - | FileCheck %s
+
+---
+name: test_flog10_s32
+body: |
+  bb.0:
+    liveins: $vgpr0
+
+    ; CHECK-LABEL: name: test_flog10_s32
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
+    ; CHECK: [[FLOG10_:%[0-9]+]]:_(s32) = G_FLOG10 [[COPY]]
+    ; CHECK: $vgpr0 = COPY [[FLOG10_]](s32)
+    %0:_(s32) = COPY $vgpr0
+    %1:_(s32) = G_FLOG10 %0
+    $vgpr0 = COPY %1
+...
+
+---
+name: test_flog10_v2s32
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1
+
+    ; CHECK-LABEL: name: test_flog10_v2s32
+    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
+    ; CHECK: [[FLOG10_:%[0-9]+]]:_(s32) = G_FLOG10 [[UV]]
+    ; CHECK: [[FLOG10_1:%[0-9]+]]:_(s32) = G_FLOG10 [[UV1]]
+    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[FLOG10_]](s32), [[FLOG10_1]](s32)
+    ; CHECK: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
+    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
+    %1:_(<2 x s32>) = G_FLOG10 %0
+    $vgpr0_vgpr1 = COPY %1
+...
+
+---
+name: test_flog10_v3s32
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1_vgpr2
+
+    ; CHECK-LABEL: name: test_flog10_v3s32
+    ; CHECK: [[COPY:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr0_vgpr1_vgpr2
+    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<3 x s32>)
+    ; CHECK: [[FLOG10_:%[0-9]+]]:_(s32) = G_FLOG10 [[UV]]
+    ; CHECK: [[FLOG10_1:%[0-9]+]]:_(s32) = G_FLOG10 [[UV1]]
+    ; CHECK: [[FLOG10_2:%[0-9]+]]:_(s32) = G_FLOG10 [[UV2]]
+    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[FLOG10_]](s32), [[FLOG10_1]](s32), [[FLOG10_2]](s32)
+    ; CHECK: $vgpr0_vgpr1_vgpr2 = COPY [[BUILD_VECTOR]](<3 x s32>)
+    %0:_(<3 x s32>) = COPY $vgpr0_vgpr1_vgpr2
+    %1:_(<3 x  s32>) = G_FLOG10 %0
+    $vgpr0_vgpr1_vgpr2 = COPY %1
+...
diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-flog2.mir b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-flog2.mir
new file mode 100644
index 00000000000..91f3dc59db3
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-flog2.mir
@@ -0,0 +1,54 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -run-pass=legalizer %s -o - | FileCheck %s
+
+---
+name: test_flog2_s32
+body: |
+  bb.0:
+    liveins: $vgpr0
+
+    ; CHECK-LABEL: name: test_flog2_s32
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
+    ; CHECK: [[FLOG2_:%[0-9]+]]:_(s32) = G_FLOG2 [[COPY]]
+    ; CHECK: $vgpr0 = COPY [[FLOG2_]](s32)
+    %0:_(s32) = COPY $vgpr0
+    %1:_(s32) = G_FLOG2 %0
+    $vgpr0 = COPY %1
+...
+
+---
+name: test_flog2_v2s32
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1
+
+    ; CHECK-LABEL: name: test_flog2_v2s32
+    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
+    ; CHECK: [[FLOG2_:%[0-9]+]]:_(s32) = G_FLOG2 [[UV]]
+    ; CHECK: [[FLOG2_1:%[0-9]+]]:_(s32) = G_FLOG2 [[UV1]]
+    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[FLOG2_]](s32), [[FLOG2_1]](s32)
+    ; CHECK: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
+    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
+    %1:_(<2 x s32>) = G_FLOG2 %0
+    $vgpr0_vgpr1 = COPY %1
+...
+
+---
+name: test_flog2_v3s32
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1_vgpr2
+
+    ; CHECK-LABEL: name: test_flog2_v3s32
+    ; CHECK: [[COPY:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr0_vgpr1_vgpr2
+    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<3 x s32>)
+    ; CHECK: [[FLOG2_:%[0-9]+]]:_(s32) = G_FLOG2 [[UV]]
+    ; CHECK: [[FLOG2_1:%[0-9]+]]:_(s32) = G_FLOG2 [[UV1]]
+    ; CHECK: [[FLOG2_2:%[0-9]+]]:_(s32) = G_FLOG2 [[UV2]]
+    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[FLOG2_]](s32), [[FLOG2_1]](s32), [[FLOG2_2]](s32)
+    ; CHECK: $vgpr0_vgpr1_vgpr2 = COPY [[BUILD_VECTOR]](<3 x s32>)
+    %0:_(<3 x s32>) = COPY $vgpr0_vgpr1_vgpr2
+    %1:_(<3 x  s32>) = G_FLOG2 %0
+    $vgpr0_vgpr1_vgpr2 = COPY %1
+...
diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fpow.mir b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fpow.mir
new file mode 100644
index 00000000000..a03b6e2259b
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fpow.mir
@@ -0,0 +1,62 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -run-pass=legalizer %s -o - | FileCheck %s
+
+---
+name: test_fpow_s32
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1
+
+    ; CHECK-LABEL: name: test_fpow_s32
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
+    ; CHECK: [[FPOW:%[0-9]+]]:_(s32) = G_FPOW [[COPY]], [[COPY1]]
+    ; CHECK: $vgpr0 = COPY [[FPOW]](s32)
+    %0:_(s32) = COPY $vgpr0
+    %1:_(s32) = COPY $vgpr1
+    %2:_(s32) = G_FPOW %0, %1
+    $vgpr0 = COPY %2
+...
+
+---
+name: test_fpow_v2s32
+body: |
+  bb.0.entry:
+    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
+
+    ; CHECK-LABEL: name: test_fpow_v2s32
+    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
+    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
+    ; CHECK: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
+    ; CHECK: [[FPOW:%[0-9]+]]:_(s32) = G_FPOW [[UV]], [[UV2]]
+    ; CHECK: [[FPOW1:%[0-9]+]]:_(s32) = G_FPOW [[UV1]], [[UV3]]
+    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[FPOW]](s32), [[FPOW1]](s32)
+    ; CHECK: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
+    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
+    %1:_(<2 x s32>) = COPY $vgpr2_vgpr3
+    %2:_(<2 x s32>) = G_FPOW %0, %1
+    $vgpr0_vgpr1 = COPY %2
+...
+
+---
+name: test_fpow_v3s32
+body: |
+  bb.0.entry:
+    liveins: $vgpr0_vgpr1_vgpr2, $vgpr3_vgpr4_vgpr5
+
+    ; CHECK-LABEL: name: test_fpow_v3s32
+    ; CHECK: [[COPY:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr0_vgpr1_vgpr2
+    ; CHECK: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr3_vgpr4_vgpr5
+    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<3 x s32>)
+    ; CHECK: [[UV3:%[0-9]+]]:_(s32), [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<3 x s32>)
+    ; CHECK: [[FPOW:%[0-9]+]]:_(s32) = G_FPOW [[UV]], [[UV3]]
+    ; CHECK: [[FPOW1:%[0-9]+]]:_(s32) = G_FPOW [[UV1]], [[UV4]]
+    ; CHECK: [[FPOW2:%[0-9]+]]:_(s32) = G_FPOW [[UV2]], [[UV5]]
+    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[FPOW]](s32), [[FPOW1]](s32), [[FPOW2]](s32)
+    ; CHECK: $vgpr0_vgpr1_vgpr2 = COPY [[BUILD_VECTOR]](<3 x s32>)
+    %0:_(<3 x s32>) = COPY $vgpr0_vgpr1_vgpr2
+    %1:_(<3 x s32>) = COPY $vgpr3_vgpr4_vgpr5
+    %2:_(<3 x s32>) = G_FPOW %0, %1
+    $vgpr0_vgpr1_vgpr2 = COPY %2
+...