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llvm-mirror/test/CodeGen/SystemZ/asm-19.ll
Ulrich Weigand 0dfaa8e74a [SystemZ] Support vector registers in inline asm
This adds support for specifying vector registers for use with inline
asm statements, either via the 'v' constraint or by explicit register
names (v0 ... v31).

llvm-svn: 326609
2018-03-02 20:36:34 +00:00

139 lines
3.4 KiB
LLVM

; Test the vector constraint "v" and explicit vector register names.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 -no-integrated-as | FileCheck %s
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 -no-integrated-as | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-Z14
define float @f1() {
; CHECK-LABEL: f1:
; CHECK: lzer %f1
; CHECK: blah %f0 %f1
; CHECK: br %r14
%val = call float asm "blah $0 $1", "=&v,v" (float 0.0)
ret float %val
}
define double @f2() {
; CHECK-LABEL: f2:
; CHECK: lzdr %f1
; CHECK: blah %f0 %f1
; CHECK: br %r14
%val = call double asm "blah $0 $1", "=&v,v" (double 0.0)
ret double %val
}
define fp128 @f3() {
; CHECK-LABEL: f3:
; CHECK-Z14: vzero %v0
; CHECK: blah %v1 %v0
; CHECK: vst %v1, 0(%r2)
; CHECK: br %r14
%val = call fp128 asm "blah $0 $1", "=&v,v" (fp128 0xL00000000000000000000000000000000)
ret fp128 %val
}
define <2 x i64> @f4() {
; CHECK-LABEL: f4:
; CHECK: vrepig %v0, 1
; CHECK: blah %v24 %v0
; CHECK: br %r14
%val = call <2 x i64> asm "blah $0 $1", "=&v,v" (<2 x i64> <i64 1, i64 1>)
ret <2 x i64> %val
}
define <4 x i32> @f5() {
; CHECK-LABEL: f5:
; CHECK: vrepif %v0, 1
; CHECK: blah %v24 %v0
; CHECK: br %r14
%val = call <4 x i32> asm "blah $0 $1", "=&v,v" (<4 x i32> <i32 1, i32 1, i32 1, i32 1>)
ret <4 x i32> %val
}
define <8 x i16> @f6() {
; CHECK-LABEL: f6:
; CHECK: vrepih %v0, 1
; CHECK: blah %v24 %v0
; CHECK: br %r14
%val = call <8 x i16> asm "blah $0 $1", "=&v,v" (<8 x i16> <i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>)
ret <8 x i16> %val
}
define <16 x i8> @f7() {
; CHECK-LABEL: f7:
; CHECK: vrepib %v0, 1
; CHECK: blah %v24 %v0
; CHECK: br %r14
%val = call <16 x i8> asm "blah $0 $1", "=&v,v" (<16 x i8> <i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1,
i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1>)
ret <16 x i8> %val
}
define <2 x double> @f8() {
; CHECK-LABEL: f8:
; CHECK: vgbm %v0, 0
; CHECK: blah %v24 %v0
; CHECK: br %r14
%val = call <2 x double> asm "blah $0 $1", "=&v,v" (<2 x double> <double 0.0, double 0.0>)
ret <2 x double> %val
}
define <4 x float> @f9() {
; CHECK-LABEL: f9:
; CHECK: vgbm %v0, 0
; CHECK: blah %v24 %v0
; CHECK: br %r14
%val = call <4 x float> asm "blah $0 $1", "=&v,v" (<4 x float> <float 0.0, float 0.0, float 0.0, float 0.0>)
ret <4 x float> %val
}
define float @f10() {
; CHECK-LABEL: f10:
; CHECK: lzer %f4
; CHECK: blah %f4
; CHECK: ldr %f0, %f4
; CHECK: br %r14
%ret = call float asm "blah $0", "={v4},0" (float 0.0)
ret float %ret
}
define double @f11() {
; CHECK-LABEL: f11:
; CHECK: lzdr %f4
; CHECK: blah %f4
; CHECK: ldr %f0, %f4
; CHECK: br %r14
%ret = call double asm "blah $0", "={v4},0" (double 0.0)
ret double %ret
}
define fp128 @f12() {
; CHECK-LABEL: f12:
; CHECK-Z14: vzero %v4
; CHECK: blah %v4
; CHECK: vst %v4, 0(%r2)
; CHECK: br %r14
%ret = call fp128 asm "blah $0", "={v4},0" (fp128 0xL00000000000000000000000000000000)
ret fp128 %ret
}
define <2 x i64> @f13() {
; CHECK-LABEL: f13:
; CHECK: vrepig %v4, 1
; CHECK: blah %v4
; CHECK: vlr %v24, %v4
; CHECK: br %r14
%ret = call <2 x i64> asm "blah $0", "={v4},0" (<2 x i64> <i64 1, i64 1>)
ret <2 x i64> %ret
}
define <2 x i64> @f14(<2 x i64> %in) {
; CHECK-LABEL: f14:
; CHECK: vlr [[REG:%v[0-9]+]], %v24
; CHECK: blah
; CHECK: vlr %v24, [[REG]]
; CHECK: br %r14
call void asm sideeffect "blah", "~{v24},~{cc}"()
ret <2 x i64> %in
}