[llvm] CallPromotionUtils: Correctly use IndexSize when determining the bit width of pointer offsets. (PR #119138)

[Owen Anderson via llvm-commits]

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@@ -0,0 +1,47 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
+; RUN: opt -S -passes=inline < %s | FileCheck %s
+target datalayout = "e-m:e-p200:128:128:128:64-p:64:64-i64:64-i128:128-n64-S128-A200-P200-G200"
+target triple = "riscv64-unknown-freebsd13.0"
+
+define void @test(ptr addrspace(200) %arg1, ptr addrspace(200) %arg2) local_unnamed_addr addrspace(200) {
+; CHECK-LABEL: define {{[^@]+}}@test
+; CHECK-SAME: (ptr addrspace(200) [[ARG1:%.*]], ptr addrspace(200) [[ARG2:%.*]]) local_unnamed_addr addrspace(200) {
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[TMP0:%.*]] = load ptr addrspace(200), ptr addrspace(200) [[ARG2]], align 16
+; CHECK-NEXT:    call addrspace(200) void [[TMP0]](ptr addrspace(200) [[ARG1]])
+; CHECK-NEXT:    ret void
+;
+entry:
+  call void @call_fnptr(ptr addrspace(200) %arg1, ptr addrspace(200) %arg2)
+  ret void
+}
+
+define internal void @call_fnptr(ptr addrspace(200) %this, ptr addrspace(200) %arg) unnamed_addr addrspace(200) align 2 {
+entry:
+  %0 = load ptr addrspace(200), ptr addrspace(200) %arg, align 16
+  call void %0(ptr addrspace(200) %this)
+  ret void
+}
+
+define void @test2(ptr addrspace(200) %this) local_unnamed_addr addrspace(200) {
+; CHECK-LABEL: define {{[^@]+}}@test2
+; CHECK-SAME: (ptr addrspace(200) [[THIS:%.*]]) local_unnamed_addr addrspace(200) {
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[VTABLE_I:%.*]] = load ptr addrspace(200), ptr addrspace(200) [[THIS]], align 16
+; CHECK-NEXT:    [[FN_I:%.*]] = load ptr addrspace(200), ptr addrspace(200) [[VTABLE_I]], align 16
+; CHECK-NEXT:    call addrspace(200) void [[FN_I]](ptr addrspace(200) [[THIS]])
+; CHECK-NEXT:    ret void
+;
+entry:
+  call void @call_via_vtable(ptr addrspace(200) %this)
+  ret void
+}
+
+define internal void @call_via_vtable(ptr addrspace(200) %this) unnamed_addr addrspace(200) {
+entry:
+  %0 = bitcast ptr addrspace(200) %this to ptr addrspace(200)
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resistor wrote:

Done. I believe that's just an artifact of the test having been hand ported from typed to untyped pointers in the past.

https://github.com/llvm/llvm-project/pull/119138