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; RUN: llc < %s -mtriple=i686-pc-elfiamcu | FileCheck %s
%struct.st12_t = type { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 }
; CHECK-LABEL: test_ints:
; CHECK: addl %edx, %eax
; CHECK-NEXT: imull %ecx, %eax
; CHECK-NEXT: addl 4(%esp), %eax
; CHECK-NEXT: retl
define i32 @test_ints(i32 %a, i32 %b, i32 %c, i32 %d) #0 {
entry:
%r1 = add i32 %b, %a
%r2 = mul i32 %c, %r1
%r3 = add i32 %d, %r2
ret i32 %r3
}
; CHECK-LABEL: test_floats:
; CHECK: addl %edx, %eax
; CHECK-NEXT: imull %ecx, %eax
; CHECK-NEXT: addl 4(%esp), %eax
; CHECK-NEXT: retl
define i32 @test_floats(i32 %a, i32 %b, float %c, float %d) #0 {
entry:
%ci = bitcast float %c to i32
%di = bitcast float %d to i32
%r1 = add i32 %b, %a
%r2 = mul i32 %ci, %r1
%r3 = add i32 %di, %r2
ret i32 %r3
}
; CHECK-LABEL: test_doubles:
; CHECK: addl 4(%esp), %eax
; CHECK-NEXT: adcl 8(%esp), %edx
; CHECK-NEXT: retl
define double @test_doubles(double %d1, double %d2) #0 {
entry:
%d1i = bitcast double %d1 to i64
%d2i = bitcast double %d2 to i64
%r = add i64 %d1i, %d2i
%rd = bitcast i64 %r to double
ret double %rd
}
; CHECK-LABEL: test_mixed_doubles:
; CHECK: addl %ecx, %eax
; CHECK-NEXT: adcl $0, %edx
; CHECK-NEXT: retl
define double @test_mixed_doubles(double %d2, i32 %i) #0 {
entry:
%iext = zext i32 %i to i64
%d2i = bitcast double %d2 to i64
%r = add i64 %iext, %d2i
%rd = bitcast i64 %r to double
ret double %rd
}
; CHECK-LABEL: ret_large_struct:
; CHECK: pushl %esi
; CHECK-NEXT: movl %eax, %esi
; CHECK-NEXT: leal 8(%esp), %edx
; CHECK-NEXT: movl $48, %ecx
; CHECK-NEXT: calll memcpy
; CHECK-NEXT: movl %esi, %eax
; CHECK-NEXT: popl %esi
; CHECK-NOT: retl $4
; CHECK-NEXT: retl
define void @ret_large_struct(%struct.st12_t* noalias nocapture sret %agg.result, %struct.st12_t* byval nocapture readonly align 4 %r) #0 {
entry:
%0 = bitcast %struct.st12_t* %agg.result to i8*
%1 = bitcast %struct.st12_t* %r to i8*
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %0, i8* %1, i32 48, i32 1, i1 false)
ret void
}
; CHECK-LABEL: var_args:
; CHECK: movl 4(%esp), %eax
; CHECK-NEXT: retl
define i32 @var_args(i32 %i1, ...) #0 {
entry:
ret i32 %i1
}
%struct.S = type { i8 }
; CHECK-LABEL: test_lib_args:
; CHECK: movl %edx, %eax
; CHECK: calll __fixsfsi
define i32 @test_lib_args(float %a, float %b) #0 {
%ret = fptosi float %b to i32
ret i32 %ret
}
; CHECK-LABEL: test_fp128:
; CHECK: pushl 12(%eax)
; CHECK-NEXT: pushl 8(%eax)
; CHECK-NEXT: pushl 4(%eax)
; CHECK-NEXT: pushl (%eax)
; CHECK-NEXT: calll __fixtfsi
define i32 @test_fp128(fp128* %ptr) #0 {
%v = load fp128, fp128* %ptr
%ret = fptosi fp128 %v to i32
ret i32 %ret
}
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 }
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