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96 lines
1.9 KiB
LLVM
96 lines
1.9 KiB
LLVM
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; Test the Test Data Class instruction, selected manually via the intrinsic.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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declare i32 @llvm.s390.tdc.f32(float, i64)
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declare i32 @llvm.s390.tdc.f64(double, i64)
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declare i32 @llvm.s390.tdc.f128(fp128, i64)
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; Check using as i32 - f32
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define i32 @f1(float %x) {
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; CHECK-LABEL: f1
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; CHECK: tceb %f0, 123
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; CHECK: ipm %r2
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; CHECK: srl %r2, 28
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%res = call i32 @llvm.s390.tdc.f32(float %x, i64 123)
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ret i32 %res
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}
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; Check using as i32 - f64
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define i32 @f2(double %x) {
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; CHECK-LABEL: f2
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; CHECK: tcdb %f0, 123
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; CHECK: ipm %r2
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; CHECK: srl %r2, 28
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%res = call i32 @llvm.s390.tdc.f64(double %x, i64 123)
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ret i32 %res
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}
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; Check using as i32 - f128
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define i32 @f3(fp128 %x) {
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; CHECK-LABEL: f3
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; CHECK: ld %f0, 0(%r2)
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; CHECK: ld %f2, 8(%r2)
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; CHECK: tcxb %f0, 123
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; CHECK: ipm %r2
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; CHECK: srl %r2, 28
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%res = call i32 @llvm.s390.tdc.f128(fp128 %x, i64 123)
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ret i32 %res
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}
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declare void @g()
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; Check branch
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define void @f4(float %x) {
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; CHECK-LABEL: f4
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; CHECK: tceb %f0, 123
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; CHECK: jgl g
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; CHECK: br %r14
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%res = call i32 @llvm.s390.tdc.f32(float %x, i64 123)
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%cond = icmp ne i32 %res, 0
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br i1 %cond, label %call, label %exit
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call:
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tail call void @g()
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br label %exit
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exit:
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ret void
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}
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; Check branch negated
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define void @f5(float %x) {
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; CHECK-LABEL: f5
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; CHECK: tceb %f0, 123
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; CHECK: jge g
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; CHECK: br %r14
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%res = call i32 @llvm.s390.tdc.f32(float %x, i64 123)
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%cond = icmp eq i32 %res, 0
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br i1 %cond, label %call, label %exit
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call:
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tail call void @g()
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br label %exit
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exit:
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ret void
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}
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; Check non-const mask
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define void @f6(float %x, i64 %y) {
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; CHECK-LABEL: f6
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; CHECK: tceb %f0, 0(%r2)
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; CHECK: jge g
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; CHECK: br %r14
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%res = call i32 @llvm.s390.tdc.f32(float %x, i64 %y)
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%cond = icmp eq i32 %res, 0
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br i1 %cond, label %call, label %exit
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call:
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tail call void @g()
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br label %exit
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exit:
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ret void
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}
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