mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-06 21:05:51 +00:00
af2a1bebfc
After r182274, the branches in these tests must always be short. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182358 91177308-0d34-0410-b5e6-96231b3b80d8
204 lines
5.3 KiB
LLVM
204 lines
5.3 KiB
LLVM
; Test 64-bit comparison in which the second operand is a sign-extended i32.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
; Check signed register comparison.
|
|
define double @f1(double %a, double %b, i64 %i1, i32 %unext) {
|
|
; CHECK: f1:
|
|
; CHECK: cgfr %r2, %r3
|
|
; CHECK-NEXT: jl
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%i2 = sext i32 %unext to i64
|
|
%cond = icmp slt i64 %i1, %i2
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check unsigned register comparison, which can't use CGFR.
|
|
define double @f2(double %a, double %b, i64 %i1, i32 %unext) {
|
|
; CHECK: f2:
|
|
; CHECK-NOT: cgfr
|
|
; CHECK: br %r14
|
|
%i2 = sext i32 %unext to i64
|
|
%cond = icmp ult i64 %i1, %i2
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check register equality.
|
|
define double @f3(double %a, double %b, i64 %i1, i32 %unext) {
|
|
; CHECK: f3:
|
|
; CHECK: cgfr %r2, %r3
|
|
; CHECK-NEXT: je
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%i2 = sext i32 %unext to i64
|
|
%cond = icmp eq i64 %i1, %i2
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check register inequality.
|
|
define double @f4(double %a, double %b, i64 %i1, i32 %unext) {
|
|
; CHECK: f4:
|
|
; CHECK: cgfr %r2, %r3
|
|
; CHECK-NEXT: jlh
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%i2 = sext i32 %unext to i64
|
|
%cond = icmp ne i64 %i1, %i2
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check signed comparisonn with memory.
|
|
define double @f5(double %a, double %b, i64 %i1, i32 *%ptr) {
|
|
; CHECK: f5:
|
|
; CHECK: cgf %r2, 0(%r3)
|
|
; CHECK-NEXT: jl
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%unext = load i32 *%ptr
|
|
%i2 = sext i32 %unext to i64
|
|
%cond = icmp slt i64 %i1, %i2
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check unsigned comparison with memory.
|
|
define double @f6(double %a, double %b, i64 %i1, i32 *%ptr) {
|
|
; CHECK: f6:
|
|
; CHECK-NOT: cgf
|
|
; CHECK: br %r14
|
|
%unext = load i32 *%ptr
|
|
%i2 = sext i32 %unext to i64
|
|
%cond = icmp ult i64 %i1, %i2
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check memory equality.
|
|
define double @f7(double %a, double %b, i64 %i1, i32 *%ptr) {
|
|
; CHECK: f7:
|
|
; CHECK: cgf %r2, 0(%r3)
|
|
; CHECK-NEXT: je
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%unext = load i32 *%ptr
|
|
%i2 = sext i32 %unext to i64
|
|
%cond = icmp eq i64 %i1, %i2
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check memory inequality.
|
|
define double @f8(double %a, double %b, i64 %i1, i32 *%ptr) {
|
|
; CHECK: f8:
|
|
; CHECK: cgf %r2, 0(%r3)
|
|
; CHECK-NEXT: jlh
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%unext = load i32 *%ptr
|
|
%i2 = sext i32 %unext to i64
|
|
%cond = icmp ne i64 %i1, %i2
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check the high end of the aligned CGF range.
|
|
define double @f9(double %a, double %b, i64 %i1, i32 *%base) {
|
|
; CHECK: f9:
|
|
; CHECK: cgf %r2, 524284(%r3)
|
|
; CHECK-NEXT: jl
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i32 *%base, i64 131071
|
|
%unext = load i32 *%ptr
|
|
%i2 = sext i32 %unext to i64
|
|
%cond = icmp slt i64 %i1, %i2
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check the next word up, which needs separate address logic.
|
|
; Other sequences besides this one would be OK.
|
|
define double @f10(double %a, double %b, i64 %i1, i32 *%base) {
|
|
; CHECK: f10:
|
|
; CHECK: agfi %r3, 524288
|
|
; CHECK: cgf %r2, 0(%r3)
|
|
; CHECK-NEXT: jl
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i32 *%base, i64 131072
|
|
%unext = load i32 *%ptr
|
|
%i2 = sext i32 %unext to i64
|
|
%cond = icmp slt i64 %i1, %i2
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check the high end of the negative aligned CGF range.
|
|
define double @f11(double %a, double %b, i64 %i1, i32 *%base) {
|
|
; CHECK: f11:
|
|
; CHECK: cgf %r2, -4(%r3)
|
|
; CHECK-NEXT: jl
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i32 *%base, i64 -1
|
|
%unext = load i32 *%ptr
|
|
%i2 = sext i32 %unext to i64
|
|
%cond = icmp slt i64 %i1, %i2
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check the low end of the CGF range.
|
|
define double @f12(double %a, double %b, i64 %i1, i32 *%base) {
|
|
; CHECK: f12:
|
|
; CHECK: cgf %r2, -524288(%r3)
|
|
; CHECK-NEXT: jl
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i32 *%base, i64 -131072
|
|
%unext = load i32 *%ptr
|
|
%i2 = sext i32 %unext to i64
|
|
%cond = icmp slt i64 %i1, %i2
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check the next word down, which needs separate address logic.
|
|
; Other sequences besides this one would be OK.
|
|
define double @f13(double %a, double %b, i64 %i1, i32 *%base) {
|
|
; CHECK: f13:
|
|
; CHECK: agfi %r3, -524292
|
|
; CHECK: cgf %r2, 0(%r3)
|
|
; CHECK-NEXT: jl
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i32 *%base, i64 -131073
|
|
%unext = load i32 *%ptr
|
|
%i2 = sext i32 %unext to i64
|
|
%cond = icmp slt i64 %i1, %i2
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check that CGF allows an index.
|
|
define double @f14(double %a, double %b, i64 %i1, i64 %base, i64 %index) {
|
|
; CHECK: f14:
|
|
; CHECK: cgf %r2, 524284({{%r4,%r3|%r3,%r4}})
|
|
; CHECK-NEXT: jl
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%add1 = add i64 %base, %index
|
|
%add2 = add i64 %add1, 524284
|
|
%ptr = inttoptr i64 %add2 to i32 *
|
|
%unext = load i32 *%ptr
|
|
%i2 = sext i32 %unext to i64
|
|
%cond = icmp slt i64 %i1, %i2
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|