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73 lines
2.1 KiB
LLVM
73 lines
2.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; Test 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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; Test f32->i32.
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define i32 @f1(float %f) {
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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: jnl .LBB0_2
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; CHECK-NEXT: # %bb.1:
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; CHECK-NEXT: cfebr %r2, 5, %f0
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; CHECK-NEXT: br %r14
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; CHECK-NEXT: .LBB0_2:
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; CHECK-NEXT: sebr %f0, %f1
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; CHECK-NEXT: cfebr %r2, 5, %f0
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; CHECK-NEXT: xilf %r2, 2147483648
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; CHECK-NEXT: br %r14
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%conv = fptoui float %f to i32
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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) {
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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: jnl .LBB1_2
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; CHECK-NEXT: # %bb.1:
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; CHECK-NEXT: cfdbr %r2, 5, %f0
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; CHECK-NEXT: br %r14
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; CHECK-NEXT: .LBB1_2:
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; CHECK-NEXT: sdbr %f0, %f1
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; CHECK-NEXT: cfdbr %r2, 5, %f0
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; CHECK-NEXT: xilf %r2, 2147483648
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; CHECK-NEXT: br %r14
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%conv = fptoui double %f to i32
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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) {
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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: jnl .LBB2_2
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; CHECK-NEXT: # %bb.1:
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; CHECK-NEXT: cfxbr %r2, 5, %f0
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; CHECK-NEXT: br %r14
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; CHECK-NEXT: .LBB2_2:
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; CHECK-NEXT: sxbr %f0, %f1
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; CHECK-NEXT: cfxbr %r2, 5, %f0
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; CHECK-NEXT: xilf %r2, 2147483648
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; CHECK-NEXT: br %r14
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%f = load fp128, fp128 *%src
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%conv = fptoui fp128 %f to i32
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ret i32 %conv
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}
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