Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/test/CodeGen/ARM/2012-10-04-AAPCS-byval-align8.ll

@@ -1,66 +0,0 @@
-; RUN: llc < %s -mtriple=armv7-none-linux-gnueabi | FileCheck %s
-; Test that we correctly use registers and align elements when using va_arg
-
-%struct_t = type { double, double, double }
-@static_val = constant %struct_t { double 1.0, double 2.0, double 3.0 }
-
-declare void @llvm.va_start(i8*) nounwind
-declare void @llvm.va_end(i8*) nounwind
-
-; CHECK-LABEL: test_byval_8_bytes_alignment:
-define void @test_byval_8_bytes_alignment(i32 %i, ...) {
-entry:
-; CHECK: sub       sp, sp, #12
-; CHECK: sub       sp, sp, #4
-; CHECK: add       r0, sp, #4
-; CHECK: stmib     sp, {r1, r2, r3}
-  %g = alloca i8*
-  %g1 = bitcast i8** %g to i8*
-  call void @llvm.va_start(i8* %g1)
-
-; CHECK: add	[[REG:(r[0-9]+)|(lr)]], {{(r[0-9]+)|(lr)}}, #7
-; CHECK: bic	[[REG]], [[REG]], #7
-  %0 = va_arg i8** %g, double
-  call void @llvm.va_end(i8* %g1)
-
-  ret void
-}
-
-; CHECK-LABEL: main:
-; CHECK: movw [[BASE:r[0-9]+]], :lower16:static_val
-; CHECK: movt [[BASE]], :upper16:static_val
-; ldm is not formed when the coalescer failed to coalesce everything.
-; CHECK: ldrd    r2, [[TMP:r[0-9]+]], {{\[}}[[BASE]]{{\]}}
-; CHECK: movw r0, #555
-define i32 @main() {
-entry:
-  call void (i32, ...) @test_byval_8_bytes_alignment(i32 555, %struct_t* byval @static_val)
-  ret i32 0
-}
-
-declare void @f(double);
-
-; CHECK-LABEL:     test_byval_8_bytes_alignment_fixed_arg:
-; CHECK-NOT:   str     r1
-; CHECK:       str     r3, [sp, #12]
-; CHECK:       str     r2, [sp, #8]
-; CHECK-NOT:   str     r1
-define void @test_byval_8_bytes_alignment_fixed_arg(i32 %n1, %struct_t* byval %val) nounwind {
-entry:
-  %a = getelementptr inbounds %struct_t, %struct_t* %val, i32 0, i32 0
-  %0 = load double, double* %a
-  call void (double) @f(double %0)
-  ret void
-}
-
-; CHECK-LABEL: main_fixed_arg:
-; CHECK: movw [[BASE:r[0-9]+]], :lower16:static_val
-; CHECK: movt [[BASE]], :upper16:static_val
-; ldm is not formed when the coalescer failed to coalesce everything.
-; CHECK: ldrd     r2, [[TMP:r[0-9]+]], {{\[}}[[BASE]]{{\]}}
-; CHECK: movw r0, #555
-define i32 @main_fixed_arg() {
-entry:
-  call void (i32, %struct_t*) @test_byval_8_bytes_alignment_fixed_arg(i32 555, %struct_t* byval @static_val)
-  ret i32 0
-}