forked from OSchip/llvm-project
33 lines
993 B
LLVM
33 lines
993 B
LLVM
; RUN: opt -S -passes=pgo-icall-prom -icp-total-percent-threshold=0 < %s 2>&1 | FileCheck %s
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; Test that CallPromotionUtils will promote calls which require pointer cast
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; safely, i.e. drop incompatible attributes.
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@foo = common global ptr null, align 8
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; casting to i64 and pointer attribute at callsite dropped.
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define i64 @func2(i64 %a) {
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ret i64 undef
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}
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; no casting needed, attribute at callsite preserved.
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define ptr @func4(ptr %a) {
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ret ptr undef
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}
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define ptr @bar(ptr %arg) {
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%tmp = load ptr, ptr @foo, align 8
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; Make sure callsite attributes are preserved on arguments and retval.
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; CHECK: call noalias ptr @func4(ptr nonnull
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; Make sure callsite attributes are dropped on arguments and retval.
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; CHECK: [[ARG:%[0-9]+]] = ptrtoint ptr %arg to i64
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; CHECK-NEXT: call i64 @func2(i64 [[ARG]])
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%call = call noalias ptr %tmp(ptr nonnull %arg), !prof !1
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ret ptr %call
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}
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!1 = !{!"VP", i32 0, i64 1440, i64 7651369219802541373, i64 1030, i64 -4377547752858689819, i64 410}
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