1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; Test strict conversion of floating-point values to unsigned i32s (z10 only). 3; 4; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s 5 6; z10 doesn't have native support for unsigned fp-to-i32 conversions; 7; they were added in z196 as the Convert to Logical family of instructions. 8; Promoting to i64 doesn't generate an inexact condition for values that are 9; outside the i32 range but in the i64 range, so use the default expansion. 10; Note that the strict expansion sequence must be used. 11 12declare i32 @llvm.experimental.constrained.fptoui.i32.f32(float, metadata) 13declare i32 @llvm.experimental.constrained.fptoui.i32.f64(double, metadata) 14declare i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128, metadata) 15 16; Test f32->i32. 17define i32 @f1(float %f) #0 { 18; CHECK-LABEL: f1: 19; CHECK: # %bb.0: 20; CHECK-NEXT: larl %r1, .LCPI0_0 21; CHECK-NEXT: le %f1, 0(%r1) 22; CHECK-NEXT: kebr %f0, %f1 23; CHECK-NEXT: jnl .LBB0_2 24; CHECK-NEXT: # %bb.1: 25; CHECK-NEXT: lhi %r0, 0 26; CHECK-NEXT: lzer %f1 27; CHECK-NEXT: j .LBB0_3 28; CHECK-NEXT: .LBB0_2: 29; CHECK-NEXT: llilh %r0, 32768 30; CHECK-NEXT: .LBB0_3: 31; CHECK-NEXT: sebr %f0, %f1 32; CHECK-NEXT: cfebr %r2, 5, %f0 33; CHECK-NEXT: xr %r2, %r0 34; CHECK-NEXT: br %r14 35 %conv = call i32 @llvm.experimental.constrained.fptoui.i32.f32(float %f, 36 metadata !"fpexcept.strict") #0 37 ret i32 %conv 38} 39 40; Test f64->i32. 41define i32 @f2(double %f) #0 { 42; CHECK-LABEL: f2: 43; CHECK: # %bb.0: 44; CHECK-NEXT: larl %r1, .LCPI1_0 45; CHECK-NEXT: ldeb %f1, 0(%r1) 46; CHECK-NEXT: kdbr %f0, %f1 47; CHECK-NEXT: jnl .LBB1_2 48; CHECK-NEXT: # %bb.1: 49; CHECK-NEXT: lhi %r0, 0 50; CHECK-NEXT: lzdr %f1 51; CHECK-NEXT: j .LBB1_3 52; CHECK-NEXT: .LBB1_2: 53; CHECK-NEXT: llilh %r0, 32768 54; CHECK-NEXT: .LBB1_3: 55; CHECK-NEXT: sdbr %f0, %f1 56; CHECK-NEXT: cfdbr %r2, 5, %f0 57; CHECK-NEXT: xr %r2, %r0 58; CHECK-NEXT: br %r14 59 %conv = call i32 @llvm.experimental.constrained.fptoui.i32.f64(double %f, 60 metadata !"fpexcept.strict") #0 61 ret i32 %conv 62} 63 64; Test f128->i32. 65define i32 @f3(fp128 *%src) #0 { 66; CHECK-LABEL: f3: 67; CHECK: # %bb.0: 68; CHECK-NEXT: ld %f0, 0(%r2) 69; CHECK-NEXT: ld %f2, 8(%r2) 70; CHECK-NEXT: larl %r1, .LCPI2_0 71; CHECK-NEXT: lxeb %f1, 0(%r1) 72; CHECK-NEXT: kxbr %f0, %f1 73; CHECK-NEXT: jnl .LBB2_2 74; CHECK-NEXT: # %bb.1: 75; CHECK-NEXT: lhi %r0, 0 76; CHECK-NEXT: lzxr %f1 77; CHECK-NEXT: j .LBB2_3 78; CHECK-NEXT: .LBB2_2: 79; CHECK-NEXT: llilh %r0, 32768 80; CHECK-NEXT: .LBB2_3: 81; CHECK-NEXT: sxbr %f0, %f1 82; CHECK-NEXT: cfxbr %r2, 5, %f0 83; CHECK-NEXT: xr %r2, %r0 84; CHECK-NEXT: br %r14 85 %f = load fp128, fp128 *%src 86 %conv = call i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128 %f, 87 metadata !"fpexcept.strict") #0 88 ret i32 %conv 89} 90 91attributes #0 = { strictfp } 92