[llvm] [X86] Add RCU for Skylake Models (PR #153832)

via llvm-commits llvm-commits at lists.llvm.org
Fri Aug 15 09:44:50 PDT 2025


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-x86

Author: Aiden Grossman (boomanaiden154)

<details>
<summary>Changes</summary>

We cannot actually retire an infinite number of uops per cycle. This patch adds a RCU to the skylake scheduling model to fix this. I'm purposefully using a loose upper bound here. We're unlikely to actually get four fused uops per cycle, but this is better than not setting anything. Most realistic code I've put through uiCA will retire up to ~6 uops per cycle.

Information taken from https://en.wikichip.org/wiki/intel/microarchitectures/skylake_(client).

This requires modification of the two zero idiom tests because we do not currently model the CPU frontend which would likely be the actual bottleneck in that case.

Related to #<!-- -->153747.

---

Patch is 60.34 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/153832.diff


4 Files Affected:

- (modified) llvm/lib/Target/X86/X86SchedSkylakeClient.td (+6) 
- (modified) llvm/lib/Target/X86/X86SchedSkylakeServer.td (+6) 
- (modified) llvm/test/tools/llvm-mca/X86/SkylakeClient/zero-idioms.s (+129-129) 
- (modified) llvm/test/tools/llvm-mca/X86/SkylakeServer/zero-idioms.s (+224-224) 


``````````diff
diff --git a/llvm/lib/Target/X86/X86SchedSkylakeClient.td b/llvm/lib/Target/X86/X86SchedSkylakeClient.td
index 8cd52e2a8ebc9..f15a7c7076414 100644
--- a/llvm/lib/Target/X86/X86SchedSkylakeClient.td
+++ b/llvm/lib/Target/X86/X86SchedSkylakeClient.td
@@ -70,6 +70,12 @@ def SKLPortAny : ProcResGroup<[SKLPort0, SKLPort1, SKLPort2, SKLPort3, SKLPort4,
   let BufferSize=60;
 }
 
+// Skylake can retire up to four (potentially fused) uops per cycle. Set the
+// limit to twice that given we do not model fused uops as only taking up one
+// retirement slot. I could not find any documented sources on how many
+// in-flight micro-ops can be tracked.
+def SKRCU : RetireControlUnit<0, 8>;
+
 // Integer loads are 5 cycles, so ReadAfterLd registers needn't be available until 5
 // cycles after the memory operand.
 def : ReadAdvance<ReadAfterLd, 5>;
diff --git a/llvm/lib/Target/X86/X86SchedSkylakeServer.td b/llvm/lib/Target/X86/X86SchedSkylakeServer.td
index 14a51d1ed9ce6..2a793d0205986 100644
--- a/llvm/lib/Target/X86/X86SchedSkylakeServer.td
+++ b/llvm/lib/Target/X86/X86SchedSkylakeServer.td
@@ -70,6 +70,12 @@ def SKXPortAny : ProcResGroup<[SKXPort0, SKXPort1, SKXPort2, SKXPort3, SKXPort4,
   let BufferSize=60;
 }
 
+// Skylake can retire up to four (potentially fused) uops per cycle. Set the
+// limit to twice that given we do not model fused uops as only taking up one
+// retirement slot. I could not find any documented sources on how many
+// in-flight micro-ops can be tracked.
+def SKXRCU : RetireControlUnit<0, 8>;
+
 // Integer loads are 5 cycles, so ReadAfterLd registers needn't be available until 5
 // cycles after the memory operand.
 def : ReadAdvance<ReadAfterLd, 5>;
diff --git a/llvm/test/tools/llvm-mca/X86/SkylakeClient/zero-idioms.s b/llvm/test/tools/llvm-mca/X86/SkylakeClient/zero-idioms.s
index 0f19ef26806a9..2dce795839090 100644
--- a/llvm/test/tools/llvm-mca/X86/SkylakeClient/zero-idioms.s
+++ b/llvm/test/tools/llvm-mca/X86/SkylakeClient/zero-idioms.s
@@ -105,12 +105,12 @@ vpxor  %ymm3, %ymm3, %ymm5
 
 # CHECK:      Iterations:        1
 # CHECK-NEXT: Instructions:      83
-# CHECK-NEXT: Total Cycles:      17
+# CHECK-NEXT: Total Cycles:      19
 # CHECK-NEXT: Total uOps:        83
 
 # CHECK:      Dispatch Width:    6
-# CHECK-NEXT: uOps Per Cycle:    4.88
-# CHECK-NEXT: IPC:               4.88
+# CHECK-NEXT: uOps Per Cycle:    4.37
+# CHECK-NEXT: IPC:               4.37
 # CHECK-NEXT: Block RThroughput: 13.8
 
 # CHECK:      Instruction Info:
@@ -208,7 +208,7 @@ vpxor  %ymm3, %ymm3, %ymm5
 
 # CHECK:      Register File statistics:
 # CHECK-NEXT: Total number of mappings created:    24
-# CHECK-NEXT: Max number of mappings used:         15
+# CHECK-NEXT: Max number of mappings used:         16
 
 # CHECK:      Resources:
 # CHECK-NEXT: [0]   - SKLDivider
@@ -313,92 +313,92 @@ vpxor  %ymm3, %ymm3, %ymm5
 # CHECK-NEXT:  -      -      -      -      -      -      -      -      -      -     vpxor	%ymm3, %ymm3, %ymm5
 
 # CHECK:      Timeline view:
-# CHECK-NEXT:                     0123456
+# CHECK-NEXT:                     012345678
 # CHECK-NEXT: Index     0123456789
 
-# CHECK:      [0,0]     DR   .    .    ..   subl	%eax, %eax
-# CHECK-NEXT: [0,1]     DR   .    .    ..   subq	%rax, %rax
-# CHECK-NEXT: [0,2]     DR   .    .    ..   xorl	%eax, %eax
-# CHECK-NEXT: [0,3]     DR   .    .    ..   xorq	%rax, %rax
-# CHECK-NEXT: [0,4]     DeER .    .    ..   pcmpgtb	%mm2, %mm2
-# CHECK-NEXT: [0,5]     D=eER.    .    ..   pcmpgtd	%mm2, %mm2
-# CHECK-NEXT: [0,6]     .D=eER    .    ..   pcmpgtw	%mm2, %mm2
-# CHECK-NEXT: [0,7]     .D---R    .    ..   pcmpgtb	%xmm2, %xmm2
-# CHECK-NEXT: [0,8]     .D---R    .    ..   pcmpgtd	%xmm2, %xmm2
-# CHECK-NEXT: [0,9]     .D---R    .    ..   pcmpgtq	%xmm2, %xmm2
-# CHECK-NEXT: [0,10]    .D---R    .    ..   pcmpgtw	%xmm2, %xmm2
-# CHECK-NEXT: [0,11]    .D---R    .    ..   vpcmpgtb	%xmm3, %xmm3, %xmm3
-# CHECK-NEXT: [0,12]    . D--R    .    ..   vpcmpgtd	%xmm3, %xmm3, %xmm3
-# CHECK-NEXT: [0,13]    . D--R    .    ..   vpcmpgtq	%xmm3, %xmm3, %xmm3
-# CHECK-NEXT: [0,14]    . D--R    .    ..   vpcmpgtw	%xmm3, %xmm3, %xmm3
-# CHECK-NEXT: [0,15]    . D--R    .    ..   vpcmpgtb	%xmm3, %xmm3, %xmm5
-# CHECK-NEXT: [0,16]    . D--R    .    ..   vpcmpgtd	%xmm3, %xmm3, %xmm5
-# CHECK-NEXT: [0,17]    . D--R    .    ..   vpcmpgtq	%xmm3, %xmm3, %xmm5
-# CHECK-NEXT: [0,18]    .  D-R    .    ..   vpcmpgtw	%xmm3, %xmm3, %xmm5
-# CHECK-NEXT: [0,19]    .  D-R    .    ..   vpcmpgtb	%ymm3, %ymm3, %ymm3
-# CHECK-NEXT: [0,20]    .  D-R    .    ..   vpcmpgtd	%ymm3, %ymm3, %ymm3
-# CHECK-NEXT: [0,21]    .  D-R    .    ..   vpcmpgtq	%ymm3, %ymm3, %ymm3
-# CHECK-NEXT: [0,22]    .  D-R    .    ..   vpcmpgtw	%ymm3, %ymm3, %ymm3
-# CHECK-NEXT: [0,23]    .  D-R    .    ..   vpcmpgtb	%ymm3, %ymm3, %ymm5
-# CHECK-NEXT: [0,24]    .   DR    .    ..   vpcmpgtd	%ymm3, %ymm3, %ymm5
-# CHECK-NEXT: [0,25]    .   DR    .    ..   vpcmpgtq	%ymm3, %ymm3, %ymm5
-# CHECK-NEXT: [0,26]    .   DR    .    ..   vpcmpgtw	%ymm3, %ymm3, %ymm5
-# CHECK-NEXT: [0,27]    .   DeER  .    ..   psubb	%mm2, %mm2
-# CHECK-NEXT: [0,28]    .   D=eER .    ..   psubd	%mm2, %mm2
-# CHECK-NEXT: [0,29]    .   D==eER.    ..   psubq	%mm2, %mm2
-# CHECK-NEXT: [0,30]    .    D==eER    ..   psubw	%mm2, %mm2
-# CHECK-NEXT: [0,31]    .    D----R    ..   psubb	%xmm2, %xmm2
-# CHECK-NEXT: [0,32]    .    D----R    ..   psubd	%xmm2, %xmm2
-# CHECK-NEXT: [0,33]    .    D----R    ..   psubq	%xmm2, %xmm2
-# CHECK-NEXT: [0,34]    .    D----R    ..   psubw	%xmm2, %xmm2
-# CHECK-NEXT: [0,35]    .    D----R    ..   vpsubb	%xmm3, %xmm3, %xmm3
-# CHECK-NEXT: [0,36]    .    .D---R    ..   vpsubd	%xmm3, %xmm3, %xmm3
-# CHECK-NEXT: [0,37]    .    .D---R    ..   vpsubq	%xmm3, %xmm3, %xmm3
-# CHECK-NEXT: [0,38]    .    .D---R    ..   vpsubw	%xmm3, %xmm3, %xmm3
-# CHECK-NEXT: [0,39]    .    .D---R    ..   vpsubb	%ymm3, %ymm3, %ymm3
-# CHECK-NEXT: [0,40]    .    .D---R    ..   vpsubd	%ymm3, %ymm3, %ymm3
-# CHECK-NEXT: [0,41]    .    .D---R    ..   vpsubq	%ymm3, %ymm3, %ymm3
-# CHECK-NEXT: [0,42]    .    . D--R    ..   vpsubw	%ymm3, %ymm3, %ymm3
-# CHECK-NEXT: [0,43]    .    . D--R    ..   vpsubb	%xmm3, %xmm3, %xmm5
-# CHECK-NEXT: [0,44]    .    . D--R    ..   vpsubd	%xmm3, %xmm3, %xmm5
-# CHECK-NEXT: [0,45]    .    . D--R    ..   vpsubq	%xmm3, %xmm3, %xmm5
-# CHECK-NEXT: [0,46]    .    . D--R    ..   vpsubw	%xmm3, %xmm3, %xmm5
-# CHECK-NEXT: [0,47]    .    . D--R    ..   vpsubb	%ymm3, %ymm3, %ymm5
-# CHECK-NEXT: [0,48]    .    .  D-R    ..   vpsubd	%ymm3, %ymm3, %ymm5
-# CHECK-NEXT: [0,49]    .    .  D-R    ..   vpsubq	%ymm3, %ymm3, %ymm5
-# CHECK-NEXT: [0,50]    .    .  D-R    ..   vpsubw	%ymm3, %ymm3, %ymm5
-# CHECK-NEXT: [0,51]    .    .  DeER   ..   andnps	%xmm0, %xmm0
-# CHECK-NEXT: [0,52]    .    .  DeER   ..   andnpd	%xmm1, %xmm1
-# CHECK-NEXT: [0,53]    .    .  DeER   ..   vandnps	%xmm2, %xmm2, %xmm2
-# CHECK-NEXT: [0,54]    .    .   DeER  ..   vandnpd	%xmm1, %xmm1, %xmm1
-# CHECK-NEXT: [0,55]    .    .   DeER  ..   vandnps	%ymm2, %ymm2, %ymm2
-# CHECK-NEXT: [0,56]    .    .   D=eER ..   vandnpd	%ymm1, %ymm1, %ymm1
-# CHECK-NEXT: [0,57]    .    .   DeE-R ..   pandn	%mm2, %mm2
-# CHECK-NEXT: [0,58]    .    .   D=eER ..   pandn	%xmm2, %xmm2
-# CHECK-NEXT: [0,59]    .    .   D=eER ..   vpandn	%xmm3, %xmm3, %xmm3
-# CHECK-NEXT: [0,60]    .    .    D=eER..   vpandn	%ymm3, %ymm3, %ymm3
-# CHECK-NEXT: [0,61]    .    .    D=eER..   vandnps	%xmm2, %xmm2, %xmm5
-# CHECK-NEXT: [0,62]    .    .    D=eER..   vandnpd	%xmm1, %xmm1, %xmm5
-# CHECK-NEXT: [0,63]    .    .    D==eER.   vpandn	%xmm3, %xmm3, %xmm5
-# CHECK-NEXT: [0,64]    .    .    D==eER.   vandnps	%ymm2, %ymm2, %ymm5
-# CHECK-NEXT: [0,65]    .    .    D==eER.   vandnpd	%ymm1, %ymm1, %ymm5
-# CHECK-NEXT: [0,66]    .    .    .D==eER   vpandn	%ymm3, %ymm3, %ymm5
-# CHECK-NEXT: [0,67]    .    .    .D----R   xorps	%xmm0, %xmm0
-# CHECK-NEXT: [0,68]    .    .    .D----R   xorpd	%xmm1, %xmm1
-# CHECK-NEXT: [0,69]    .    .    .D----R   vxorps	%xmm2, %xmm2, %xmm2
-# CHECK-NEXT: [0,70]    .    .    .D----R   vxorpd	%xmm1, %xmm1, %xmm1
-# CHECK-NEXT: [0,71]    .    .    .D----R   vxorps	%ymm2, %ymm2, %ymm2
-# CHECK-NEXT: [0,72]    .    .    . D---R   vxorpd	%ymm1, %ymm1, %ymm1
-# CHECK-NEXT: [0,73]    .    .    . D=eER   pxor	%mm2, %mm2
-# CHECK-NEXT: [0,74]    .    .    . D---R   pxor	%xmm2, %xmm2
-# CHECK-NEXT: [0,75]    .    .    . D---R   vpxor	%xmm3, %xmm3, %xmm3
-# CHECK-NEXT: [0,76]    .    .    . D---R   vpxor	%ymm3, %ymm3, %ymm3
-# CHECK-NEXT: [0,77]    .    .    . D---R   vxorps	%xmm4, %xmm4, %xmm5
-# CHECK-NEXT: [0,78]    .    .    .  D--R   vxorpd	%xmm1, %xmm1, %xmm3
-# CHECK-NEXT: [0,79]    .    .    .  D--R   vxorps	%ymm4, %ymm4, %ymm5
-# CHECK-NEXT: [0,80]    .    .    .  D--R   vxorpd	%ymm1, %ymm1, %ymm3
-# CHECK-NEXT: [0,81]    .    .    .  D--R   vpxor	%xmm3, %xmm3, %xmm5
-# CHECK-NEXT: [0,82]    .    .    .  D--R   vpxor	%ymm3, %ymm3, %ymm5
+# CHECK:      [0,0]     DR   .    .    .  .   subl	%eax, %eax
+# CHECK-NEXT: [0,1]     DR   .    .    .  .   subq	%rax, %rax
+# CHECK-NEXT: [0,2]     DR   .    .    .  .   xorl	%eax, %eax
+# CHECK-NEXT: [0,3]     DR   .    .    .  .   xorq	%rax, %rax
+# CHECK-NEXT: [0,4]     DeER .    .    .  .   pcmpgtb	%mm2, %mm2
+# CHECK-NEXT: [0,5]     D=eER.    .    .  .   pcmpgtd	%mm2, %mm2
+# CHECK-NEXT: [0,6]     .D=eER    .    .  .   pcmpgtw	%mm2, %mm2
+# CHECK-NEXT: [0,7]     .D---R    .    .  .   pcmpgtb	%xmm2, %xmm2
+# CHECK-NEXT: [0,8]     .D---R    .    .  .   pcmpgtd	%xmm2, %xmm2
+# CHECK-NEXT: [0,9]     .D---R    .    .  .   pcmpgtq	%xmm2, %xmm2
+# CHECK-NEXT: [0,10]    .D---R    .    .  .   pcmpgtw	%xmm2, %xmm2
+# CHECK-NEXT: [0,11]    .D---R    .    .  .   vpcmpgtb	%xmm3, %xmm3, %xmm3
+# CHECK-NEXT: [0,12]    . D--R    .    .  .   vpcmpgtd	%xmm3, %xmm3, %xmm3
+# CHECK-NEXT: [0,13]    . D--R    .    .  .   vpcmpgtq	%xmm3, %xmm3, %xmm3
+# CHECK-NEXT: [0,14]    . D---R   .    .  .   vpcmpgtw	%xmm3, %xmm3, %xmm3
+# CHECK-NEXT: [0,15]    . D---R   .    .  .   vpcmpgtb	%xmm3, %xmm3, %xmm5
+# CHECK-NEXT: [0,16]    . D---R   .    .  .   vpcmpgtd	%xmm3, %xmm3, %xmm5
+# CHECK-NEXT: [0,17]    . D---R   .    .  .   vpcmpgtq	%xmm3, %xmm3, %xmm5
+# CHECK-NEXT: [0,18]    .  D--R   .    .  .   vpcmpgtw	%xmm3, %xmm3, %xmm5
+# CHECK-NEXT: [0,19]    .  D--R   .    .  .   vpcmpgtb	%ymm3, %ymm3, %ymm3
+# CHECK-NEXT: [0,20]    .  D--R   .    .  .   vpcmpgtd	%ymm3, %ymm3, %ymm3
+# CHECK-NEXT: [0,21]    .  D--R   .    .  .   vpcmpgtq	%ymm3, %ymm3, %ymm3
+# CHECK-NEXT: [0,22]    .  D---R  .    .  .   vpcmpgtw	%ymm3, %ymm3, %ymm3
+# CHECK-NEXT: [0,23]    .  D---R  .    .  .   vpcmpgtb	%ymm3, %ymm3, %ymm5
+# CHECK-NEXT: [0,24]    .   D--R  .    .  .   vpcmpgtd	%ymm3, %ymm3, %ymm5
+# CHECK-NEXT: [0,25]    .   D--R  .    .  .   vpcmpgtq	%ymm3, %ymm3, %ymm5
+# CHECK-NEXT: [0,26]    .   D--R  .    .  .   vpcmpgtw	%ymm3, %ymm3, %ymm5
+# CHECK-NEXT: [0,27]    .   DeER  .    .  .   psubb	%mm2, %mm2
+# CHECK-NEXT: [0,28]    .   D=eER .    .  .   psubd	%mm2, %mm2
+# CHECK-NEXT: [0,29]    .   D==eER.    .  .   psubq	%mm2, %mm2
+# CHECK-NEXT: [0,30]    .    D==eER    .  .   psubw	%mm2, %mm2
+# CHECK-NEXT: [0,31]    .    D----R    .  .   psubb	%xmm2, %xmm2
+# CHECK-NEXT: [0,32]    .    D----R    .  .   psubd	%xmm2, %xmm2
+# CHECK-NEXT: [0,33]    .    D----R    .  .   psubq	%xmm2, %xmm2
+# CHECK-NEXT: [0,34]    .    D----R    .  .   psubw	%xmm2, %xmm2
+# CHECK-NEXT: [0,35]    .    D----R    .  .   vpsubb	%xmm3, %xmm3, %xmm3
+# CHECK-NEXT: [0,36]    .    .D---R    .  .   vpsubd	%xmm3, %xmm3, %xmm3
+# CHECK-NEXT: [0,37]    .    .D---R    .  .   vpsubq	%xmm3, %xmm3, %xmm3
+# CHECK-NEXT: [0,38]    .    .D----R   .  .   vpsubw	%xmm3, %xmm3, %xmm3
+# CHECK-NEXT: [0,39]    .    .D----R   .  .   vpsubb	%ymm3, %ymm3, %ymm3
+# CHECK-NEXT: [0,40]    .    .D----R   .  .   vpsubd	%ymm3, %ymm3, %ymm3
+# CHECK-NEXT: [0,41]    .    .D----R   .  .   vpsubq	%ymm3, %ymm3, %ymm3
+# CHECK-NEXT: [0,42]    .    . D---R   .  .   vpsubw	%ymm3, %ymm3, %ymm3
+# CHECK-NEXT: [0,43]    .    . D---R   .  .   vpsubb	%xmm3, %xmm3, %xmm5
+# CHECK-NEXT: [0,44]    .    . D---R   .  .   vpsubd	%xmm3, %xmm3, %xmm5
+# CHECK-NEXT: [0,45]    .    . D---R   .  .   vpsubq	%xmm3, %xmm3, %xmm5
+# CHECK-NEXT: [0,46]    .    . D----R  .  .   vpsubw	%xmm3, %xmm3, %xmm5
+# CHECK-NEXT: [0,47]    .    . D----R  .  .   vpsubb	%ymm3, %ymm3, %ymm5
+# CHECK-NEXT: [0,48]    .    .  D---R  .  .   vpsubd	%ymm3, %ymm3, %ymm5
+# CHECK-NEXT: [0,49]    .    .  D---R  .  .   vpsubq	%ymm3, %ymm3, %ymm5
+# CHECK-NEXT: [0,50]    .    .  D---R  .  .   vpsubw	%ymm3, %ymm3, %ymm5
+# CHECK-NEXT: [0,51]    .    .  DeE-R  .  .   andnps	%xmm0, %xmm0
+# CHECK-NEXT: [0,52]    .    .  DeE-R  .  .   andnpd	%xmm1, %xmm1
+# CHECK-NEXT: [0,53]    .    .  DeE-R  .  .   vandnps	%xmm2, %xmm2, %xmm2
+# CHECK-NEXT: [0,54]    .    .   DeE-R .  .   vandnpd	%xmm1, %xmm1, %xmm1
+# CHECK-NEXT: [0,55]    .    .   DeE-R .  .   vandnps	%ymm2, %ymm2, %ymm2
+# CHECK-NEXT: [0,56]    .    .   D=eER .  .   vandnpd	%ymm1, %ymm1, %ymm1
+# CHECK-NEXT: [0,57]    .    .   DeE-R .  .   pandn	%mm2, %mm2
+# CHECK-NEXT: [0,58]    .    .   D=eER .  .   pandn	%xmm2, %xmm2
+# CHECK-NEXT: [0,59]    .    .   D=eER .  .   vpandn	%xmm3, %xmm3, %xmm3
+# CHECK-NEXT: [0,60]    .    .    D=eER.  .   vpandn	%ymm3, %ymm3, %ymm3
+# CHECK-NEXT: [0,61]    .    .    D=eER.  .   vandnps	%xmm2, %xmm2, %xmm5
+# CHECK-NEXT: [0,62]    .    .    D=eER.  .   vandnpd	%xmm1, %xmm1, %xmm5
+# CHECK-NEXT: [0,63]    .    .    D==eER  .   vpandn	%xmm3, %xmm3, %xmm5
+# CHECK-NEXT: [0,64]    .    .    D==eER  .   vandnps	%ymm2, %ymm2, %ymm5
+# CHECK-NEXT: [0,65]    .    .    D==eER  .   vandnpd	%ymm1, %ymm1, %ymm5
+# CHECK-NEXT: [0,66]    .    .    .D==eER .   vpandn	%ymm3, %ymm3, %ymm5
+# CHECK-NEXT: [0,67]    .    .    .D----R .   xorps	%xmm0, %xmm0
+# CHECK-NEXT: [0,68]    .    .    .D----R .   xorpd	%xmm1, %xmm1
+# CHECK-NEXT: [0,69]    .    .    .D----R .   vxorps	%xmm2, %xmm2, %xmm2
+# CHECK-NEXT: [0,70]    .    .    .D----R .   vxorpd	%xmm1, %xmm1, %xmm1
+# CHECK-NEXT: [0,71]    .    .    .D----R .   vxorps	%ymm2, %ymm2, %ymm2
+# CHECK-NEXT: [0,72]    .    .    . D---R .   vxorpd	%ymm1, %ymm1, %ymm1
+# CHECK-NEXT: [0,73]    .    .    . D=eER .   pxor	%mm2, %mm2
+# CHECK-NEXT: [0,74]    .    .    . D----R.   pxor	%xmm2, %xmm2
+# CHECK-NEXT: [0,75]    .    .    . D----R.   vpxor	%xmm3, %xmm3, %xmm3
+# CHECK-NEXT: [0,76]    .    .    . D----R.   vpxor	%ymm3, %ymm3, %ymm3
+# CHECK-NEXT: [0,77]    .    .    . D----R.   vxorps	%xmm4, %xmm4, %xmm5
+# CHECK-NEXT: [0,78]    .    .    .  D---R.   vxorpd	%xmm1, %xmm1, %xmm3
+# CHECK-NEXT: [0,79]    .    .    .  D---R.   vxorps	%ymm4, %ymm4, %ymm5
+# CHECK-NEXT: [0,80]    .    .    .  D---R.   vxorpd	%ymm1, %ymm1, %ymm3
+# CHECK-NEXT: [0,81]    .    .    .  D---R.   vpxor	%xmm3, %xmm3, %xmm5
+# CHECK-NEXT: [0,82]    .    .    .  D----R   vpxor	%ymm3, %ymm3, %ymm5
 
 # CHECK:      Average Wait times (based on the timeline view):
 # CHECK-NEXT: [0]: Executions
@@ -421,19 +421,19 @@ vpxor  %ymm3, %ymm3, %ymm5
 # CHECK-NEXT: 11.    1     0.0    0.0    3.0       vpcmpgtb	%xmm3, %xmm3, %xmm3
 # CHECK-NEXT: 12.    1     0.0    0.0    2.0       vpcmpgtd	%xmm3, %xmm3, %xmm3
 # CHECK-NEXT: 13.    1     0.0    0.0    2.0       vpcmpgtq	%xmm3, %xmm3, %xmm3
-# CHECK-NEXT: 14.    1     0.0    0.0    2.0       vpcmpgtw	%xmm3, %xmm3, %xmm3
-# CHECK-NEXT: 15.    1     0.0    0.0    2.0       vpcmpgtb	%xmm3, %xmm3, %xmm5
-# CHECK-NEXT: 16.    1     0.0    0.0    2.0       vpcmpgtd	%xmm3, %xmm3, %xmm5
-# CHECK-NEXT: 17.    1     0.0    0.0    2.0       vpcmpgtq	%xmm3, %xmm3, %xmm5
-# CHECK-NEXT: 18.    1     0.0    0.0    1.0       vpcmpgtw	%xmm3, %xmm3, %xmm5
-# CHECK-NEXT: 19.    1     0.0    0.0    1.0       vpcmpgtb	%ymm3, %ymm3, %ymm3
-# CHECK-NEXT: 20.    1     0.0    0.0    1.0       vpcmpgtd	%ymm3, %ymm3, %ymm3
-# CHECK-NEXT: 21.    1     0.0    0.0    1.0       vpcmpgtq	%ymm3, %ymm3, %ymm3
-# CHECK-NEXT: 22.    1     0.0    0.0    1.0       vpcmpgtw	%ymm3, %ymm3, %ymm3
-# CHECK-NEXT: 23.    1     0.0    0.0    1.0       vpcmpgtb	%ymm3, %ymm3, %ymm5
-# CHECK-NEXT: 24.    1     0.0    0.0    0.0       vpcmpgtd	%ymm3, %ymm3, %ymm5
-# CHECK-NEXT: 25.    1     0.0    0.0    0.0       vpcmpgtq	%ymm3, %ymm3, %ymm5
-# CHECK-NEXT: 26.    1     0.0    0.0    0.0       vpcmpgtw	%ymm3, %ymm3, %ymm5
+# CHECK-NEXT: 14.    1     0.0    0.0    3.0       vpcmpgtw	%xmm3, %xmm3, %xmm3
+# CHECK-NEXT: 15.    1     0.0    0.0    3.0       vpcmpgtb	%xmm3, %xmm3, %xmm5
+# CHECK-NEXT: 16.    1     0.0    0.0    3.0       vpcmpgtd	%xmm3, %xmm3, %xmm5
+# CHECK-NEXT: 17.    1     0.0    0.0    3.0       vpcmpgtq	%xmm3, %xmm3, %xmm5
+# CHECK-NEXT: 18.    1     0.0    0.0    2.0       vpcmpgtw	%xmm3, %xmm3, %xmm5
+# CHECK-NEXT: 19.    1     0.0    0.0    2.0       vpcmpgtb	%ymm3, %ymm3, %ymm3
+# CHECK-NEXT: 20.    1     0.0    0.0    2.0       vpcmpgtd	%ymm3, %ymm3, %ymm3
+# CHECK-NEXT: 21.    1     0.0    0.0    2.0       vpcmpgtq	%ymm3, %ymm3, %ymm3
+# CHECK-NEXT: 22.    1     0.0    0.0    3.0       vpcmpgtw	%ymm3, %ymm3, %ymm3
+# CHECK-NEXT: 23.    1     0.0    0.0    3.0       vpcmpgtb	%ymm3, %ymm3, %ymm5
+# CHECK-NEXT: 24.    1     0.0    0.0    2.0       vpcmpgtd	%ymm3, %ymm3, %ymm5
+# CHECK-NEXT: 25.    1     0.0    0.0    2.0       vpcmpgtq	%ymm3, %ymm3, %ymm5
+# CHECK-NEXT: 26.    1     0.0    0.0    2.0       vpcmpgtw	%ymm3, %ymm3, %ymm5
 # CHECK-NEXT: 27.    1     1.0    1.0    0.0       psubb	%mm2, %mm2
 # CHECK-NEXT: 28.    1     2.0    0.0    0.0       psubd	%mm2, %mm2
 # CHECK-NEXT: 29.    1     3.0    0.0    0.0       psubq	%mm2, %mm2
@@ -445,24 +445,24 @@ vpxor  %ymm3, %ymm3, %ymm5
 # CHECK-NEXT: 35.    1     0.0    0.0    4.0       vpsubb	%xmm3, %xmm3, %xmm3
 # CHECK-NEXT: 36.    1     0.0    0.0    3.0       vpsubd	%xmm3, %xmm3, %xmm3
 # CHECK-NEXT: 37.    1     0.0    0.0    3.0       vpsubq	%xmm3, %xmm3, %xmm3
-# CHECK-NEXT: 38.    1     0.0    0.0    3.0       vpsubw	%xmm3, %xmm3, %xmm3
-# CHECK-NEXT: 39.    1     0.0    0.0    3.0       vpsubb	%ymm3, %ymm3, %ymm3
-# CHECK-NEXT: 40.    1     0.0    0.0    3.0       vpsubd	%ymm3, %ymm3, %ymm3
-# CHECK-NEXT: 41.    1     0.0    0.0    3.0       vpsubq	%ymm3, %ymm3, %ymm3
-# CHECK-NEXT: 42.    1     0.0    0.0    2.0       vpsubw	%ymm3, %ymm3, %ymm3
-# CHECK-NEXT: 43.    1     0.0    0.0    2.0       vpsubb	%xmm3, %xmm3, %xmm5
-# CHECK-NEXT: 44.    1     0.0    0.0    2.0       vpsubd	%xmm3, %xmm3, %xmm5
-# CHECK-NEXT: 45.    1     0.0    0.0    2.0       vpsubq	%xmm3, %xmm3, %xmm5
-# CHECK-NEXT: 46.    1     0.0    0.0    2.0       vpsubw	%xmm3, %xmm3, %xmm5
-# CHECK-NEXT: 47.    1     0.0    0.0    2.0       vpsubb	%ymm3, %ymm3, %ymm5
-# CHECK-NEXT: 48.    1     0.0    0.0    1.0       vpsubd	%ymm3, %ymm3, %ymm5
-# CHECK-NEXT: 49.    1     0.0    0.0    1.0       vpsubq	%ymm3, %ymm3, %ymm5
-# CHECK-NEXT: 50.    1     0.0    0.0    1.0       vpsubw	%ymm3, %ymm3, %ymm5
-# CHECK-NEXT: 51.    1     1.0    1.0    0.0       andnps	%xmm0, %xmm0
-# CHECK-NEXT: 52.    1     1.0    1.0    0.0       andnpd	%xmm1, %xmm1
-# CHECK-NEXT: 53.    1     1.0    1.0    0.0       vandnps	%xmm2, %xmm2, %xmm2
-# CHECK-NEXT: 54.    1     1.0    0.0    0.0       vandnpd	%xmm1, %xmm1, %xmm1
-# CHECK-NEXT: 55.    1     1.0    0.0    0.0       vandnps	%ymm2, %ymm2, %ymm2
+# CHECK-NEXT: 38.    1     0.0    0.0    4.0       vpsubw	%xmm3, %xmm3, %xmm3
+# CHECK-NEXT: 39.    1     0.0    0.0    4.0       vpsubb	%ymm3, %ymm3, %ymm3
+# CHECK-NEXT: 40.    1     0.0    0.0    4.0       vpsubd	%ymm3, %ymm3, %ymm3
+# CHECK-NEXT: 41.    1     0.0    0.0    4.0       vpsubq	%ymm3, %ymm3, %ymm3
+# CHECK-NEXT: 42.    1     0.0    0.0    3.0       vpsubw	%ymm3, %ymm3, %ymm3
+# CHECK-NEXT: 43.    1     0.0    0.0    3.0       vpsubb	%xmm3, %xmm3, %xmm5
+# CHECK-NEXT: 44.    1     0.0    0.0    3.0       vpsubd	%xmm3, %xmm3, %xmm5
+# CHECK-NEXT: 45.    1     0.0    0.0    3.0       vpsubq	%xmm3, %xmm3, %xmm5
+# CHECK-NEXT: 46.    1     0.0    0.0    4.0       vpsubw	%xmm3, %xmm3, %xmm5
+# CHECK-NEXT: 47.    1     0.0    0.0    4.0       vpsubb	%ymm3, %ymm3, %ymm5
+# CHECK-NEXT: 48.    1     0.0    0.0    3.0       vpsubd	%ymm3, %ymm3, %ymm5
+# CHECK-NEXT: 49.    1     0.0    0.0    3.0       vpsubq	%ymm3, %ymm3, %ymm5
+# CHECK-NEXT: 50.    1     0.0    0.0    3.0       vpsubw	%ymm3, %ymm3, %ymm5
+# CHECK-NEXT: 51.    1     1.0    1.0    1.0       andnps	%xmm0, %xmm0
+# CHECK-NEXT: 52.    1     1.0    1.0    1.0       andnpd	%xmm1, %xmm1
+# CHECK-NEXT: 53.    1     1.0    1.0    1.0       vandnp...
[truncated]

``````````

</details>


https://github.com/llvm/llvm-project/pull/153832


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