[X86] Fix stack alignment for MCU target, by Anton Nadolskiy.
This patch fixes stack alignments for MCU (should be aligned to 4 bytes).
Differential Revision: http://reviews.llvm.org/D15646
llvm-svn: 260375
diff --git a/llvm/test/CodeGen/X86/mcu-abi.ll b/llvm/test/CodeGen/X86/mcu-abi.ll
index 966fd45..263ddcf 100644
--- a/llvm/test/CodeGen/X86/mcu-abi.ll
+++ b/llvm/test/CodeGen/X86/mcu-abi.ll
@@ -82,6 +82,8 @@
ret i32 %i1
}
+%struct.S = type { i8 }
+
; CHECK-LABEL: test_lib_args:
; CHECK: movl %edx, %eax
; CHECK: calll __fixsfsi
@@ -108,5 +110,50 @@
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #1
+; CHECK-LABEL: test_alignment_d:
+; CHECK-NOT: andl {{.+}}, %esp
+define void @test_alignment_d() #0 {
+entry:
+ %d = alloca double
+ store double 2.000000e+00, double* %d
+ call void @food(double* inreg %d)
+ ret void
+}
+
+; CHECK-LABEL: test_alignment_i:
+; CHECK-NOT: andl {{.+}}, %esp
+define void @test_alignment_i() #0 {
+entry:
+ %i = alloca i64
+ store i64 2, i64* %i
+ call void @fooi(i64* inreg %i)
+ ret void
+}
+
+
+; CHECK-LABEL: test_alignment_s:
+; CHECK-NOT: andl {{.+}}, %esp
+define void @test_alignment_s() #0 {
+ %s = alloca %struct.S, align 4
+ call void @foos(%struct.S* inreg %s)
+ ret void
+}
+
+
+; CHECK-LABEL: test_alignment_fp:
+; CHECK-NOT: andl {{.+}}, %esp
+define void @test_alignment_fp() #0 {
+entry:
+ %f = alloca fp128
+ store fp128 0xL00000000000000004000000000000000, fp128* %f
+ call void @foofp(fp128* inreg %f)
+ ret void
+}
+
+declare void @food(double* inreg)
+declare void @fooi(i64* inreg)
+declare void @foos(%struct.S* inreg)
+declare void @foofp(fp128* inreg)
+
attributes #0 = { nounwind "use-soft-float"="true"}
attributes #1 = { nounwind argmemonly }