mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-16 11:05:54 +00:00
b503b49b51
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
111 lines
3.3 KiB
LLVM
111 lines
3.3 KiB
LLVM
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
declare double @llvm.fma.f64(double %f1, double %f2, double %f3)
|
|
|
|
define double @f1(double %f1, double %f2, double %acc) {
|
|
; CHECK: f1:
|
|
; CHECK: msdbr %f4, %f0, %f2
|
|
; CHECK: ldr %f0, %f4
|
|
; CHECK: br %r14
|
|
%negacc = fsub double -0.0, %acc
|
|
%res = call double @llvm.fma.f64 (double %f1, double %f2, double %negacc)
|
|
ret double %res
|
|
}
|
|
|
|
define double @f2(double %f1, double *%ptr, double %acc) {
|
|
; CHECK: f2:
|
|
; CHECK: msdb %f2, %f0, 0(%r2)
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%f2 = load double *%ptr
|
|
%negacc = fsub double -0.0, %acc
|
|
%res = call double @llvm.fma.f64 (double %f1, double %f2, double %negacc)
|
|
ret double %res
|
|
}
|
|
|
|
define double @f3(double %f1, double *%base, double %acc) {
|
|
; CHECK: f3:
|
|
; CHECK: msdb %f2, %f0, 4088(%r2)
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr double *%base, i64 511
|
|
%f2 = load double *%ptr
|
|
%negacc = fsub double -0.0, %acc
|
|
%res = call double @llvm.fma.f64 (double %f1, double %f2, double %negacc)
|
|
ret double %res
|
|
}
|
|
|
|
define double @f4(double %f1, double *%base, double %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: msdb %f2, %f0, 0(%r2)
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr double *%base, i64 512
|
|
%f2 = load double *%ptr
|
|
%negacc = fsub double -0.0, %acc
|
|
%res = call double @llvm.fma.f64 (double %f1, double %f2, double %negacc)
|
|
ret double %res
|
|
}
|
|
|
|
define double @f5(double %f1, double *%base, double %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, -8
|
|
; CHECK: msdb %f2, %f0, 0(%r2)
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr double *%base, i64 -1
|
|
%f2 = load double *%ptr
|
|
%negacc = fsub double -0.0, %acc
|
|
%res = call double @llvm.fma.f64 (double %f1, double %f2, double %negacc)
|
|
ret double %res
|
|
}
|
|
|
|
define double @f6(double %f1, double *%base, i64 %index, double %acc) {
|
|
; CHECK: f6:
|
|
; CHECK: sllg %r1, %r3, 3
|
|
; CHECK: msdb %f2, %f0, 0(%r1,%r2)
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr double *%base, i64 %index
|
|
%f2 = load double *%ptr
|
|
%negacc = fsub double -0.0, %acc
|
|
%res = call double @llvm.fma.f64 (double %f1, double %f2, double %negacc)
|
|
ret double %res
|
|
}
|
|
|
|
define double @f7(double %f1, double *%base, i64 %index, double %acc) {
|
|
; CHECK: f7:
|
|
; CHECK: sllg %r1, %r3, 3
|
|
; CHECK: msdb %f2, %f0, 4088({{%r1,%r2|%r2,%r1}})
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%index2 = add i64 %index, 511
|
|
%ptr = getelementptr double *%base, i64 %index2
|
|
%f2 = load double *%ptr
|
|
%negacc = fsub double -0.0, %acc
|
|
%res = call double @llvm.fma.f64 (double %f1, double %f2, double %negacc)
|
|
ret double %res
|
|
}
|
|
|
|
define double @f8(double %f1, double *%base, i64 %index, double %acc) {
|
|
; CHECK: f8:
|
|
; CHECK: sllg %r1, %r3, 3
|
|
; CHECK: lay %r1, 4096({{%r1,%r2|%r2,%r1}})
|
|
; CHECK: msdb %f2, %f0, 0(%r1)
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%index2 = add i64 %index, 512
|
|
%ptr = getelementptr double *%base, i64 %index2
|
|
%f2 = load double *%ptr
|
|
%negacc = fsub double -0.0, %acc
|
|
%res = call double @llvm.fma.f64 (double %f1, double %f2, double %negacc)
|
|
ret double %res
|
|
}
|