llvm-6502/test/CodeGen/SystemZ/fp-mul-06.ll
Ulrich Weigand b503b49b51 [SystemZ] Add CodeGen test cases
This adds all CodeGen tests for the SystemZ target.

This version of the patch incorporates feedback from a review by
Sean Silva.  Thanks to all reviewers!

Patch by Richard Sandiford.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181204 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-06 16:17:29 +00:00

103 lines
2.9 KiB
LLVM

; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
declare float @llvm.fma.f32(float %f1, float %f2, float %f3)
define float @f1(float %f1, float %f2, float %acc) {
; CHECK: f1:
; CHECK: maebr %f4, %f0, %f2
; CHECK: ler %f0, %f4
; CHECK: br %r14
%res = call float @llvm.fma.f32 (float %f1, float %f2, float %acc)
ret float %res
}
define float @f2(float %f1, float *%ptr, float %acc) {
; CHECK: f2:
; CHECK: maeb %f2, %f0, 0(%r2)
; CHECK: ler %f0, %f2
; CHECK: br %r14
%f2 = load float *%ptr
%res = call float @llvm.fma.f32 (float %f1, float %f2, float %acc)
ret float %res
}
define float @f3(float %f1, float *%base, float %acc) {
; CHECK: f3:
; CHECK: maeb %f2, %f0, 4092(%r2)
; CHECK: ler %f0, %f2
; CHECK: br %r14
%ptr = getelementptr float *%base, i64 1023
%f2 = load float *%ptr
%res = call float @llvm.fma.f32 (float %f1, float %f2, float %acc)
ret float %res
}
define float @f4(float %f1, float *%base, float %acc) {
; The important thing here is that we don't generate an out-of-range
; displacement. Other sequences besides this one would be OK.
;
; CHECK: f4:
; CHECK: aghi %r2, 4096
; CHECK: maeb %f2, %f0, 0(%r2)
; CHECK: ler %f0, %f2
; CHECK: br %r14
%ptr = getelementptr float *%base, i64 1024
%f2 = load float *%ptr
%res = call float @llvm.fma.f32 (float %f1, float %f2, float %acc)
ret float %res
}
define float @f5(float %f1, float *%base, float %acc) {
; Here too the important thing is that we don't generate an out-of-range
; displacement. Other sequences besides this one would be OK.
;
; CHECK: f5:
; CHECK: aghi %r2, -4
; CHECK: maeb %f2, %f0, 0(%r2)
; CHECK: ler %f0, %f2
; CHECK: br %r14
%ptr = getelementptr float *%base, i64 -1
%f2 = load float *%ptr
%res = call float @llvm.fma.f32 (float %f1, float %f2, float %acc)
ret float %res
}
define float @f6(float %f1, float *%base, i64 %index, float %acc) {
; CHECK: f6:
; CHECK: sllg %r1, %r3, 2
; CHECK: maeb %f2, %f0, 0(%r1,%r2)
; CHECK: ler %f0, %f2
; CHECK: br %r14
%ptr = getelementptr float *%base, i64 %index
%f2 = load float *%ptr
%res = call float @llvm.fma.f32 (float %f1, float %f2, float %acc)
ret float %res
}
define float @f7(float %f1, float *%base, i64 %index, float %acc) {
; CHECK: f7:
; CHECK: sllg %r1, %r3, 2
; CHECK: maeb %f2, %f0, 4092({{%r1,%r2|%r2,%r1}})
; CHECK: ler %f0, %f2
; CHECK: br %r14
%index2 = add i64 %index, 1023
%ptr = getelementptr float *%base, i64 %index2
%f2 = load float *%ptr
%res = call float @llvm.fma.f32 (float %f1, float %f2, float %acc)
ret float %res
}
define float @f8(float %f1, float *%base, i64 %index, float %acc) {
; CHECK: f8:
; CHECK: sllg %r1, %r3, 2
; CHECK: lay %r1, 4096({{%r1,%r2|%r2,%r1}})
; CHECK: maeb %f2, %f0, 0(%r1)
; CHECK: ler %f0, %f2
; CHECK: br %r14
%index2 = add i64 %index, 1024
%ptr = getelementptr float *%base, i64 %index2
%f2 = load float *%ptr
%res = call float @llvm.fma.f32 (float %f1, float %f2, float %acc)
ret float %res
}