; 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: kebr %f0, %f1 ; CHECK-NEXT: jnl .LBB0_2 ; CHECK-NEXT: # %bb.1: ; CHECK-NEXT: lghi %r0, 0 ; CHECK-NEXT: lzer %f1 ; CHECK-NEXT: j .LBB0_3 ; CHECK-NEXT: .LBB0_2: ; CHECK-NEXT: llihh %r0, 32768 ; CHECK-NEXT: .LBB0_3: ; CHECK-NEXT: sebr %f0, %f1 ; 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: kdbr %f0, %f1 ; CHECK-NEXT: jnl .LBB1_2 ; CHECK-NEXT: # %bb.1: ; CHECK-NEXT: lghi %r0, 0 ; CHECK-NEXT: lzdr %f1 ; CHECK-NEXT: j .LBB1_3 ; CHECK-NEXT: .LBB1_2: ; CHECK-NEXT: llihh %r0, 32768 ; CHECK-NEXT: .LBB1_3: ; CHECK-NEXT: sdbr %f0, %f1 ; 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: kxbr %f0, %f1 ; CHECK-NEXT: jnl .LBB2_2 ; CHECK-NEXT: # %bb.1: ; CHECK-NEXT: lghi %r0, 0 ; CHECK-NEXT: lzxr %f1 ; CHECK-NEXT: j .LBB2_3 ; CHECK-NEXT: .LBB2_2: ; CHECK-NEXT: llihh %r0, 32768 ; CHECK-NEXT: .LBB2_3: ; CHECK-NEXT: sxbr %f0, %f1 ; 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 }