[llvm] [X86] Add missed type extension and truncation during combine (PR #67168)

[via llvm-commits]

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@@ -256,3 +256,44 @@ entry:
   store i32 %i, ptr addrspace(272) %s, align 8
   ret void
 }
+
+define i64 @test_load_sptr32_zext_i64(ptr addrspace(270) %i) {
+; CHECK-LABEL: test_load_sptr32_zext_i64:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    movslq %ecx, %rax
+; CHECK-NEXT:    movl (%rax), %eax
+; CHECK-NEXT:    retq
+;
+; CHECK-O0-LABEL: test_load_sptr32_zext_i64:
+; CHECK-O0:       # %bb.0: # %entry
+; CHECK-O0-NEXT:    movslq %ecx, %rax
+; CHECK-O0-NEXT:    movl (%rax), %eax
+; CHECK-O0-NEXT:    movl %eax, %eax
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Yikarus wrote:

Got it, thanks for explanation.

https://github.com/llvm/llvm-project/pull/67168