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Diffstat (limited to 'test/CodeGen/PowerPC/emptystruct.ll')
| -rw-r--r-- | test/CodeGen/PowerPC/emptystruct.ll | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/test/CodeGen/PowerPC/emptystruct.ll b/test/CodeGen/PowerPC/emptystruct.ll deleted file mode 100644 index bd8a974ab125..000000000000 --- a/test/CodeGen/PowerPC/emptystruct.ll +++ /dev/null @@ -1,49 +0,0 @@ -; RUN: llc -verify-machineinstrs -mcpu=pwr7 -O0 -fast-isel=false < %s | FileCheck %s - -; This tests correct handling of empty aggregate parameters and return values. -; An empty parameter passed by value does not consume a protocol register or -; a parameter save area doubleword. An empty parameter passed by reference -; is treated as any other pointer parameter. An empty aggregate return value -; is treated as any other aggregate return value, passed via address as a -; hidden parameter in GPR3. In this example, GPR3 contains the return value -; address, GPR4 contains the address of e2, and e1 and e3 are not passed or -; received. - -target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64" -target triple = "powerpc64-unknown-linux-gnu" - -%struct.empty = type {} - -define void @callee(%struct.empty* noalias sret %agg.result, %struct.empty* byval %a1, %struct.empty* %a2, %struct.empty* byval %a3) nounwind { -entry: - %a2.addr = alloca %struct.empty*, align 8 - store %struct.empty* %a2, %struct.empty** %a2.addr, align 8 - %0 = load %struct.empty*, %struct.empty** %a2.addr, align 8 - %1 = bitcast %struct.empty* %agg.result to i8* - %2 = bitcast %struct.empty* %0 to i8* - call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 0, i32 1, i1 false) - ret void -} - -; CHECK-LABEL: callee: -; CHECK: std 4, -; CHECK-NOT: std 5, -; CHECK-NOT: std 6, -; CHECK: blr - -declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind - -define void @caller(%struct.empty* noalias sret %agg.result) nounwind { -entry: - %e1 = alloca %struct.empty, align 1 - %e2 = alloca %struct.empty, align 1 - %e3 = alloca %struct.empty, align 1 - call void @callee(%struct.empty* sret %agg.result, %struct.empty* byval %e1, %struct.empty* %e2, %struct.empty* byval %e3) - ret void -} - -; CHECK-LABEL: caller: -; CHECK: addi 4, -; CHECK-NOT: std 5, -; CHECK-NOT: std 6, -; CHECK: bl callee |
