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
83 lines
2.7 KiB
LLVM
83 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; Test strict conversion of floating-point values to unsigned i32s (z10 only).
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
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; z10 doesn't have native support for unsigned fp-to-i32 conversions;
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; they were added in z196 as the Convert to Logical family of instructions.
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; Promoting to i64 doesn't generate an inexact condition for values that are
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; outside the i32 range but in the i64 range, so use the default expansion.
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; Note that the strict expansion sequence must be used.
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declare i32 @llvm.experimental.constrained.fptoui.i32.f32(float, metadata)
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declare i32 @llvm.experimental.constrained.fptoui.i32.f64(double, metadata)
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declare i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128, metadata)
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; Test f32->i32.
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define i32 @f1(float %f) #0 {
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; CHECK-LABEL: f1:
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; CHECK: # %bb.0:
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; CHECK-NEXT: larl %r1, .LCPI0_0
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; CHECK-NEXT: le %f1, 0(%r1)
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; CHECK-NEXT: cebr %f0, %f1
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; CHECK-NEXT: lhi %r0, 0
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; CHECK-NEXT: jl .LBB0_2
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; CHECK-NEXT: # %bb.1:
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; CHECK-NEXT: sebr %f0, %f1
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; CHECK-NEXT: llilh %r0, 32768
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; CHECK-NEXT: .LBB0_2:
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; CHECK-NEXT: cfebr %r2, 5, %f0
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; CHECK-NEXT: xr %r2, %r0
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; CHECK-NEXT: br %r14
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%conv = call i32 @llvm.experimental.constrained.fptoui.i32.f32(float %f,
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metadata !"fpexcept.strict") #0
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ret i32 %conv
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}
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; Test f64->i32.
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define i32 @f2(double %f) #0 {
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; CHECK-LABEL: f2:
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; CHECK: # %bb.0:
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; CHECK-NEXT: larl %r1, .LCPI1_0
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; CHECK-NEXT: ldeb %f1, 0(%r1)
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; CHECK-NEXT: cdbr %f0, %f1
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; CHECK-NEXT: lhi %r0, 0
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; CHECK-NEXT: jl .LBB1_2
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; CHECK-NEXT: # %bb.1:
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; CHECK-NEXT: sdbr %f0, %f1
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; CHECK-NEXT: llilh %r0, 32768
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; CHECK-NEXT: .LBB1_2:
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; CHECK-NEXT: cfdbr %r2, 5, %f0
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; CHECK-NEXT: xr %r2, %r0
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; CHECK-NEXT: br %r14
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%conv = call i32 @llvm.experimental.constrained.fptoui.i32.f64(double %f,
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metadata !"fpexcept.strict") #0
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ret i32 %conv
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}
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; Test f128->i32.
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define i32 @f3(fp128 *%src) #0 {
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; CHECK-LABEL: f3:
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; CHECK: # %bb.0:
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; CHECK-NEXT: ld %f0, 0(%r2)
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; CHECK-NEXT: ld %f2, 8(%r2)
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; CHECK-NEXT: larl %r1, .LCPI2_0
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; CHECK-NEXT: lxeb %f1, 0(%r1)
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; CHECK-NEXT: cxbr %f0, %f1
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; CHECK-NEXT: lhi %r0, 0
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; CHECK-NEXT: jl .LBB2_2
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; CHECK-NEXT: # %bb.1:
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; CHECK-NEXT: sxbr %f0, %f1
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; CHECK-NEXT: llilh %r0, 32768
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; CHECK-NEXT: .LBB2_2:
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; CHECK-NEXT: cfxbr %r2, 5, %f0
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; CHECK-NEXT: xr %r2, %r0
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; CHECK-NEXT: br %r14
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%f = load fp128, fp128 *%src
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%conv = call i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128 %f,
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metadata !"fpexcept.strict") #0
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ret i32 %conv
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}
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attributes #0 = { strictfp }
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