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llvm-mirror/test/CodeGen/NVPTX/i8-param.ll
Simon Pilgrim 5188a44a1b [NVPTX] Don't flag StoreParam/LoadParam memory chain operands as ReadMem/WriteMem (PR32146)
Follow up to D33147

NVPTXTargetLowering::LowerCall was trusting the default argument values.

Fixes another 17 of the NVPTX '-verify-machineinstrs with EXPENSIVE_CHECKS' errors in PR32146.

Differential Revision: https://reviews.llvm.org/D33189

llvm-svn: 303082
2017-05-15 17:17:44 +00:00

24 lines
627 B
LLVM

; RUN: llc < %s -march=nvptx -mcpu=sm_20 -verify-machineinstrs | FileCheck %s
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64"
; CHECK: .visible .func (.param .b32 func_retval0) callee
define i8 @callee(i8 %a) {
; CHECK: ld.param.u8
%ret = add i8 %a, 42
; CHECK: st.param.b32
ret i8 %ret
}
; CHECK: .visible .func caller
define void @caller(i8* %a) {
; CHECK: ld.u8
%val = load i8, i8* %a
%ret = tail call i8 @callee(i8 %val)
; CHECK: ld.param.b32
store i8 %ret, i8* %a
ret void
}