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; RUN: opt < %s -S -nvptx-lower-args | FileCheck %s --check-prefix IR
; RUN: llc < %s -mcpu=sm_20 | FileCheck %s --check-prefix PTX
; RUN: %if ptxas %{ llc < %s -mcpu=sm_20 | %ptxas-verify %}
target datalayout = "e-i64:64-i128:128-v16:16-v32:32-n16:32:64"
target triple = "nvptx64-nvidia-cuda"
%class.outer = type <{ %class.inner, i32, [4 x i8] }>
%class.inner = type { ptr, ptr }
; Check that nvptx-lower-args preserves arg alignment
define void @load_alignment(ptr nocapture readonly byval(%class.outer) align 8 %arg) {
entry:
; IR: load %class.outer, ptr addrspace(101)
; IR-SAME: align 8
; PTX: ld.param.u64
; PTX-NOT: ld.param.u8
%arg.idx.val = load ptr, ptr %arg, align 8
%arg.idx1 = getelementptr %class.outer, ptr %arg, i64 0, i32 0, i32 1
%arg.idx1.val = load ptr, ptr %arg.idx1, align 8
%arg.idx2 = getelementptr %class.outer, ptr %arg, i64 0, i32 1
%arg.idx2.val = load i32, ptr %arg.idx2, align 8
%arg.idx.val.val = load i32, ptr %arg.idx.val, align 4
%add.i = add nsw i32 %arg.idx.val.val, %arg.idx2.val
store i32 %add.i, ptr %arg.idx1.val, align 4
; let the pointer escape so we still create a local copy this test uses to
; check the load alignment.
%tmp = call ptr @escape(ptr nonnull %arg.idx2)
ret void
}
; Function Attrs: convergent nounwind
declare dso_local ptr @escape(ptr) local_unnamed_addr
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