68b8052121
A set of function attributes is required in any function that uses constrained floating point intrinsics. None of our tests use these attributes. This patch fixes this. These tests have been tested against the IR verifier changes in D68233. Reviewed by: andrew.w.kaylor, cameron.mcinally, uweigand Approved by: andrew.w.kaylor Differential Revision: https://reviews.llvm.org/D67925 llvm-svn: 373761
82 lines
2.6 KiB
LLVM
82 lines
2.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; Test strict conversion of floating-point values to unsigned i64s (z10 only).
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
|
|
|
|
; z10 doesn't have native support for unsigned fp-to-i64 conversions;
|
|
; they were added in z196 as the Convert to Logical family of instructions.
|
|
; Convert via signed i64s instead.
|
|
; Note that the strict expansion sequence must be used.
|
|
|
|
declare i64 @llvm.experimental.constrained.fptoui.i64.f32(float, metadata)
|
|
declare i64 @llvm.experimental.constrained.fptoui.i64.f64(double, metadata)
|
|
declare i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128, metadata)
|
|
|
|
; Test f32->i64.
|
|
define i64 @f1(float %f) #0 {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: larl %r1, .LCPI0_0
|
|
; CHECK-NEXT: le %f1, 0(%r1)
|
|
; CHECK-NEXT: cebr %f0, %f1
|
|
; CHECK-NEXT: lghi %r0, 0
|
|
; CHECK-NEXT: jl .LBB0_2
|
|
; CHECK-NEXT: # %bb.1:
|
|
; CHECK-NEXT: sebr %f0, %f1
|
|
; CHECK-NEXT: llihh %r0, 32768
|
|
; CHECK-NEXT: .LBB0_2:
|
|
; CHECK-NEXT: cgebr %r2, 5, %f0
|
|
; CHECK-NEXT: xgr %r2, %r0
|
|
; CHECK-NEXT: br %r14
|
|
%conv = call i64 @llvm.experimental.constrained.fptoui.i64.f32(float %f,
|
|
metadata !"fpexcept.strict") #0
|
|
ret i64 %conv
|
|
}
|
|
|
|
; Test f64->i64.
|
|
define i64 @f2(double %f) #0 {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: larl %r1, .LCPI1_0
|
|
; CHECK-NEXT: ldeb %f1, 0(%r1)
|
|
; CHECK-NEXT: cdbr %f0, %f1
|
|
; CHECK-NEXT: lghi %r0, 0
|
|
; CHECK-NEXT: jl .LBB1_2
|
|
; CHECK-NEXT: # %bb.1:
|
|
; CHECK-NEXT: sdbr %f0, %f1
|
|
; CHECK-NEXT: llihh %r0, 32768
|
|
; CHECK-NEXT: .LBB1_2:
|
|
; CHECK-NEXT: cgdbr %r2, 5, %f0
|
|
; CHECK-NEXT: xgr %r2, %r0
|
|
; CHECK-NEXT: br %r14
|
|
%conv = call i64 @llvm.experimental.constrained.fptoui.i64.f64(double %f,
|
|
metadata !"fpexcept.strict") #0
|
|
ret i64 %conv
|
|
}
|
|
|
|
; Test f128->i64.
|
|
define i64 @f3(fp128 *%src) #0 {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: ld %f0, 0(%r2)
|
|
; CHECK-NEXT: ld %f2, 8(%r2)
|
|
; CHECK-NEXT: larl %r1, .LCPI2_0
|
|
; CHECK-NEXT: lxeb %f1, 0(%r1)
|
|
; CHECK-NEXT: cxbr %f0, %f1
|
|
; CHECK-NEXT: lghi %r0, 0
|
|
; CHECK-NEXT: jl .LBB2_2
|
|
; CHECK-NEXT: # %bb.1:
|
|
; CHECK-NEXT: sxbr %f0, %f1
|
|
; CHECK-NEXT: llihh %r0, 32768
|
|
; CHECK-NEXT: .LBB2_2:
|
|
; CHECK-NEXT: cgxbr %r2, 5, %f0
|
|
; CHECK-NEXT: xgr %r2, %r0
|
|
; CHECK-NEXT: br %r14
|
|
%f = load fp128, fp128 *%src
|
|
%conv = call i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128 %f,
|
|
metadata !"fpexcept.strict") #0
|
|
ret i64 %conv
|
|
}
|
|
|
|
attributes #0 = { strictfp }
|