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-rw-r--r-- | llvm/test/CodeGen/AVR/lower-formal-args-struct-return.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AVR/lower-formal-args-struct-return.ll b/llvm/test/CodeGen/AVR/lower-formal-args-struct-return.ll new file mode 100644 index 00000000000..f7a45632ba8 --- /dev/null +++ b/llvm/test/CodeGen/AVR/lower-formal-args-struct-return.ll @@ -0,0 +1,21 @@ +; RUN: llc < %s -march=avr | FileCheck %s + +; This test ensures that the backend can lower returns of struct values. +; It does not check how these are lowered. +; +; In the past, this code used to return an error +; +; Assertion `InVals.size() == Ins.size() && "LowerFormalArguments didn't emit the correct number of values!"' failed. +; +; This feature was first implemented in r325474. + +declare i8 @do_something(i8 %val) + +; CHECK-LABEL: main +define { i1, i8 } @main(i8) #2 { +entry: + %1 = call zeroext i8 @do_something(i8 zeroext %0) + %2 = insertvalue { i1, i8 } { i1 true, i8 undef }, i8 %1, 1 + ret { i1, i8 } %2 +} + |