| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes |
| ; RUN: opt < %s -passes=argpromotion -S | FileCheck %s |
| |
| ; Unused arguments from variadic functions cannot be eliminated as that changes |
| ; their classiciation according to the SysV amd64 ABI. Clang and other frontends |
| ; bake in the classification when they use things like byval, as in this test. |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| %struct.tt0 = type { i64, i64 } |
| %struct.__va_list_tag = type { i32, i32, ptr, ptr } |
| |
| @t45 = internal global %struct.tt0 { i64 1335139741, i64 438042995 }, align 8 |
| |
| ; Function Attrs: nounwind uwtable |
| define i32 @main(i32 %argc, ptr nocapture readnone %argv) #0 { |
| ; CHECK-LABEL: define {{[^@]+}}@main |
| ; CHECK-SAME: (i32 [[ARGC:%.*]], ptr nocapture readnone [[ARGV:%.*]]) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: tail call void (ptr, ptr, ptr, ptr, ptr, ...) @callee_t0f(ptr undef, ptr undef, ptr undef, ptr undef, ptr undef, ptr byval([[STRUCT_TT0:%.*]]) align 8 @t45) |
| ; CHECK-NEXT: ret i32 0 |
| ; |
| entry: |
| tail call void (ptr, ptr, ptr, ptr, ptr, ...) @callee_t0f(ptr undef, ptr undef, ptr undef, ptr undef, ptr undef, ptr byval(%struct.tt0) align 8 @t45) |
| ret i32 0 |
| } |
| |
| ; Function Attrs: nounwind uwtable |
| define internal void @callee_t0f(ptr nocapture readnone %tp13, ptr nocapture readnone %tp14, ptr nocapture readnone %tp15, ptr nocapture readnone %tp16, ptr nocapture readnone %tp17, ...) { |
| ; CHECK-LABEL: define {{[^@]+}}@callee_t0f |
| ; CHECK-SAME: (ptr nocapture readnone [[TP13:%.*]], ptr nocapture readnone [[TP14:%.*]], ptr nocapture readnone [[TP15:%.*]], ptr nocapture readnone [[TP16:%.*]], ptr nocapture readnone [[TP17:%.*]], ...) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| ret void |
| } |