Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd

external/llvm/test/CodeGen/SystemZ/fp-conv-12.ll

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+; Test 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.
+
+; Test f32->i64.
+define i64 @f1(float %f) {
+; CHECK-LABEL: f1:
+; CHECK: cebr
+; CHECK: sebr
+; CHECK: cgebr
+; CHECK: xihf
+; CHECK: br %r14
+  %conv = fptoui float %f to i64
+  ret i64 %conv
+}
+
+; Test f64->i64.
+define i64 @f2(double %f) {
+; CHECK-LABEL: f2:
+; CHECK: cdbr
+; CHECK: sdbr
+; CHECK: cgdbr
+; CHECK: xihf
+; CHECK: br %r14
+  %conv = fptoui double %f to i64
+  ret i64 %conv
+}
+
+; Test f128->i64.
+define i64 @f3(fp128 *%src) {
+; CHECK-LABEL: f3:
+; CHECK: cxbr
+; CHECK: sxbr
+; CHECK: cgxbr
+; CHECK: xihf
+; CHECK: br %r14
+  %f = load fp128 , fp128 *%src
+  %conv = fptoui fp128 %f to i64
+  ret i64 %conv
+}